Styl cytowania APA

Ray, G. L., & Sagar, M. (2011). Research methods in social sciences and extension education (3.). Kalyani publishers.

Styl cytowania Chicago

Ray, G L., i Mondal Sagar. Research Methods in Social Sciences and Extension Education. 3. New Delhi: Kalyani publishers, 2011.

Styl cytowania MLA

Ray, G L., i Mondal Sagar. Research Methods in Social Sciences and Extension Education. 3. Kalyani publishers, 2011.