Pumpin, C. (1985). The essence of corporate. Jaico.
Chicago Style aipamenaPumpin, Cuno. The Essence of Corporate. Bombay: Jaico, 1985.
MLA aipamenaPumpin, Cuno. The Essence of Corporate. Jaico, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.