Trochim,William M K. (2003). Research methods (2.). Biztantra.
Chicago Edition CitationTrochim,William M K. Research Methods. 2. New Delhi: Biztantra, 2003.
MLA Edition CitationTrochim,William M K. Research Methods. 2. Biztantra, 2003.
Warning: These citations may not always be 100% accurate.