APA引文

Aish, F., & Tomlinson, J. (2012). Collins grammar for IELTS. Collins.

Chicago Style (17th ed.) Citation

Aish, Fiona, and Jo Tomlinson. Collins Grammar for IELTS. London: Collins, 2012.

MLA引文

Aish, Fiona, and Jo Tomlinson. Collins Grammar for IELTS. Collins, 2012.

警告：這些引文格式不一定是100％准確.