APA aipamena

Bourke, K., & Maris, A. (2006). Grammar for FCE: Upper - Intermediate. Oxford: Oxford Univ. Press.

Chicago Style aipamena

Bourke, Kenna, và Amanda Maris. Grammar for FCE: Upper - Intermediate. Oxford: Oxford Univ. Press, 2006.

MLA aipamena

Bourke, Kenna, và Amanda Maris. Grammar for FCE: Upper - Intermediate. Oxford: Oxford Univ. Press, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.