APA ציטוט

Jones, L., & Leo jones. (1986). Progress to Proficiency: Student is book. Cambridge University Press: Cambridge.

Trích dẫn kiểu Chicago

Jones, Leo, và Leo jones. Progress to Proficiency: Student Is Book. Cambridge University Press: Cambridge, 1986.

ציטוט MLA

Jones, Leo, và Leo jones. Progress to Proficiency: Student Is Book. Cambridge University Press: Cambridge, 1986.