PURI V K. (2003). HANDBOOK FOR NGOS. NABHI PUBLICATION.
Lua i Stíl Chicago (17ú heag.)PURI V K. HANDBOOK FOR NGOS. NEW DELHI: NABHI PUBLICATION, 2003.
Lua MLA (9ú heag.)PURI V K. HANDBOOK FOR NGOS. NABHI PUBLICATION, 2003.
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