APA引文

Jones, L. (1986). Progress to proficiency: Student's book. Cambridge: Cambridge Univ. Press.

Trích dẫn kiểu Chicago

Jones, Leo. Progress to Proficiency: Student's Book. Cambridge: Cambridge Univ. Press, 1986.

MLA引文

Jones, Leo. Progress to Proficiency: Student's Book. Cambridge: Cambridge Univ. Press, 1986.

警告:这些引文格式不一定是100%准确.