APA aipamena

Gopalakrishnan, P., & Banerji, A. (1991). Handbook on contract and purchase management. Printwell.

Chicago Style aipamena

Gopalakrishnan, P., and A.K Banerji. Handbook on Contract and Purchase Management. Jaipur: Printwell, 1991.

MLA aipamena

Gopalakrishnan, P., and A.K Banerji. Handbook on Contract and Purchase Management. Printwell, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.