APA Alıntı

Kogent Learning Soultion s Inc & GroverDR. (2004). Reference services and sources of information. Ess Ess Publication.

Chicago Stili Alıntı

Kogent Learning Soultion s Inc ve GroverDR. Reference Services and Sources of Information. New Delhi: Ess Ess Publication, 2004.

MLA Alıntı

Kogent Learning Soultion s Inc ve GroverDR. Reference Services and Sources of Information. Ess Ess Publication, 2004.