APA استشهاد

Sadhu & Singh. (1983). Research methodology in social sciences/2e (2nd ed.). Himalaya.

استشهاد بنمط شيكاغو

Sadhu و Singh. Research Methodology in Social Sciences/2e. 2nd ed. Bombay: Himalaya, 1983.

MLA استشهاد

Sadhu و Singh. Research Methodology in Social Sciences/2e. 2nd ed. Himalaya, 1983.