APA aipamena

David Grant. (2004). Business focus: Pre-Intermediate (student's book). Oxford: Oxford Univ. Press.

Chicago Style aipamena

David Grant. Business Focus: Pre-Intermediate (student's Book). Oxford: Oxford Univ. Press, 2004.

MLA aipamena

David Grant. Business Focus: Pre-Intermediate (student's Book). Oxford: Oxford Univ. Press, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.