APA aipamena

Grant, D. (2005). Business focus: Elementary student's book. Oxford: Oxford University Press.

Chicago Style aipamena

Grant, David. Business Focus: Elementary Student's Book. Oxford: Oxford University Press, 2005.

MLA aipamena

Grant, David. Business Focus: Elementary Student's Book. Oxford: Oxford University Press, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.