APA citiranje

Cambridge university. (1990). Cambridge proficiency examination practice 3 (Teacher's book). Cambridge: C.U.P.

Trích dẫn kiểu Chicago

Cambridge university. Cambridge Proficiency Examination Practice 3 (Teacher's Book). Cambridge: C.U.P, 1990.

MLA citiranje

Cambridge university. Cambridge Proficiency Examination Practice 3 (Teacher's Book). Cambridge: C.U.P, 1990.