APA aipamena

Hughes, J. (2005). Business focus: Elementary (Teacher's book). Oxford: Oxford university press.

Chicago Style aipamena

Hughes, John. Business Focus: Elementary (Teacher's Book). Oxford: Oxford university press, 2005.

MLA aipamena

Hughes, John. Business Focus: Elementary (Teacher's Book). Oxford: Oxford university press, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.