Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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