APA استشهاد

Raj, D., & Chandhok., P. (1988). Sample survey theory. Narosa.

استشهاد بنمط شيكاغو

Raj, Des, و Promod Chandhok. Sample Survey Theory. hennai: Narosa, 1988.

MLA استشهاد

Raj, Des, و Promod Chandhok. Sample Survey Theory. Narosa, 1988.