APA aipamena

Michael, V. P. (1987). Business policy and environment. Sultan Chand & Sons.

Chicago Style aipamena

Michael, V. P. Business Policy and Environment. New Delhi: Sultan Chand & Sons, 1987.

MLA aipamena

Michael, V. P. Business Policy and Environment. Sultan Chand & Sons, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.