APA引文

Lefkowitz, N., & Cook, V. Second language learning and language teaching.

Trích dẫn kiểu Chicago

Lefkowitz, Natalie., và Vivian Cook. Second Language Learning and Language Teaching.

MLA引文

Lefkowitz, Natalie., và Vivian Cook. Second Language Learning and Language Teaching.

警告：这些引文格式不一定是100％准确.