APA ציטוט

Gairns, R. (2003). Natural English: Upper-Intermediate. Puzzle Book. Oxford: Oxford Univ. Press.

Trích dẫn kiểu Chicago

Gairns, Ruth. Natural English: Upper-Intermediate. Puzzle Book. Oxford: Oxford Univ. Press, 2003.

ציטוט MLA

Gairns, Ruth. Natural English: Upper-Intermediate. Puzzle Book. Oxford: Oxford Univ. Press, 2003.