APA-ийн эшлэл(7 дахь хэвлэлт)

Kumar, P. (2004). Information Sources and services (therory) and practics Vi- Vii. BRPC and LTD.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Kumar, PSG. Information Sources and Services (therory) and Practics Vi- Vii. Delhi: BRPC and LTD, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Kumar, PSG. Information Sources and Services (therory) and Practics Vi- Vii. BRPC and LTD, 2004.