1 Churchill, W. S., "The Second World War Volume III" Mariner Books 1985
2 Kachru, B. B., "The Other Tongue: English Across Cultures" University of Illinois Press 1992
3 Bullock, A., "The New Fontana Dictionary of Modern Thought" Harper Collins 1999
4 Celce-Murcia, M., "The Grammar Book" Heinle & Heinle Publishers 1999
5 Zhou, J., "The Analysis of Questionnaire Statistics" Electronics and Industrial Press 2017
6 Chomsky, N., "Lectures on Government and Binding: The Pisa Lectures" Foris 1981
7 Quirk, R, "Language varieties and standard language" 6 (6): 3-10, 1990
8 Aarts, B., "English Syntax and Argumentation" Palgrave 2013
9 Bo, B., "Bo Bing English Grammar" Kaiming Press 2007
10 Schmidt, R, "Awareness and second language acquisition" 13 : 206-226, 1993
1 Churchill, W. S., "The Second World War Volume III" Mariner Books 1985
2 Kachru, B. B., "The Other Tongue: English Across Cultures" University of Illinois Press 1992
3 Bullock, A., "The New Fontana Dictionary of Modern Thought" Harper Collins 1999
4 Celce-Murcia, M., "The Grammar Book" Heinle & Heinle Publishers 1999
5 Zhou, J., "The Analysis of Questionnaire Statistics" Electronics and Industrial Press 2017
6 Chomsky, N., "Lectures on Government and Binding: The Pisa Lectures" Foris 1981
7 Quirk, R, "Language varieties and standard language" 6 (6): 3-10, 1990
8 Aarts, B., "English Syntax and Argumentation" Palgrave 2013
9 Bo, B., "Bo Bing English Grammar" Kaiming Press 2007
10 Schmidt, R, "Awareness and second language acquisition" 13 : 206-226, 1993
11 Zhang, D., "A Practical English Grammar Book" Commercial Press 2002
12 Zhang, Z., "A New Course Book on English Grammar" Shanghai Foreign Language Education Press 2013