Dyfyniad APA

Bhatnagar,O P. (1981). Research methods and measurements in behavioural sciences. Agride Publishing Academy.

Dyfyniad Arddull Chicago

Bhatnagar,O P. Research Methods and Measurements in Behavioural Sciences. New Delhi: Agride Publishing Academy, 1981.

Dyfyniad MLA

Bhatnagar,O P. Research Methods and Measurements in Behavioural Sciences. Agride Publishing Academy, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.