VERNON, M. (2011). Bisnis the key concepts. Rajawali Pers.
Chicago Style aipamenaVERNON, Mark. Bisnis the Key Concepts. Rajawali Pers, 2011.
MLA aipamenaVERNON, Mark. Bisnis the Key Concepts. Rajawali Pers, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.