Kumar, P. (2004). Information Sources and services (therory) and practics Vi- Vii. BRPC and LTD.
Citace podle Chicago (17th ed.)Kumar, PSG. Information Sources and Services (therory) and Practics Vi- Vii. Delhi: BRPC and LTD, 2004.
Citace podle MLA (9th ed.)Kumar, PSG. Information Sources and Services (therory) and Practics Vi- Vii. BRPC and LTD, 2004.
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