APA引文

(1999). Preparation for the toefl, test of English as A.F.L.

Trích dẫn kiểu Chicago

Preparation for the Toefl, Test of English As A.F.L. 1999.

MLA引文

Preparation for the Toefl, Test of English As A.F.L. 1999.

警告：这些引文格式不一定是100％准确.