APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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