APA (7e ed.) Bronvermelding

Poonia , V. S. (2009). Research Methodology & statistical method (1.). Vishvabharati.

Chicago (17e ed.) Bronvermelding

Poonia , Virender S. Research Methodology & Statistical Method. 1. New Dehli: Vishvabharati, 2009.

MLA (9e ed.) Bronvermelding

Poonia , Virender S. Research Methodology & Statistical Method. 1. Vishvabharati, 2009.