APA aipamena

Barnard,Roger. (2009). Business Venture. New york: Oxford University Press.

Chicago Style aipamena

Barnard,Roger. Business Venture. New york: Oxford University Press, 2009.

MLA aipamena

Barnard,Roger. Business Venture. New york: Oxford University Press, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.