APA aipamena

Singh, H., & Ram, P. (1990). Sales and export management. Anuoam.

Chicago Style aipamena

Singh, Harkishan, and Paras Ram. Sales and Export Management. New Delhi: Anuoam, 1990.

MLA aipamena

Singh, Harkishan, and Paras Ram. Sales and Export Management. Anuoam, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.