APA引文

Lester, M. (2017). Advanced english grammar for esl learners (2.).

Chicago Style (17th ed.) Citation

Lester, Mark. Advanced English Grammar for Esl Learners. 2. 2017.

MLA引文

Lester, Mark. Advanced English Grammar for Esl Learners. 2. 2017.

警告：這些引文格式不一定是100％准確.