APA aipamena

Bhattacharyya, D. K. (2006). Researrch methodology. Excel.

Chicago Style aipamena

Bhattacharyya, Dipak Kumar. Researrch Methodology. New delhi: Excel, 2006.

MLA aipamena

Bhattacharyya, Dipak Kumar. Researrch Methodology. Excel, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.