Bhatnagar,O P. (1981). Research methods and measurements in behavioural sciences. Agride Publishing Academy.
シカゴスタイル引用形Bhatnagar,O P. Research Methods and Measurements in Behavioural Sciences. New Delhi: Agride Publishing Academy, 1981.
MLA引用形式Bhatnagar,O P. Research Methods and Measurements in Behavioural Sciences. Agride Publishing Academy, 1981.
警告: この引用は必ずしも正確ではありません.