APA引文

Langan, J. (2006). English Skills With Readings Sixth Edition. McGraw Hill Companies Inc.

Trích dẫn kiểu Chicago

Langan, John. English Skills With Readings Sixth Edition. McGraw Hill Companies Inc, 2006.

MLA引文

Langan, John. English Skills With Readings Sixth Edition. McGraw Hill Companies Inc, 2006.

警告：這些引文格式不一定是100％准確.