APA استشهاد

Raj,Des, & Chandhok, P. (1999). Sample survey theory. Narosa.

استشهاد بنمط شيكاغو

Raj,Des, و Promod Chandhok. Sample Survey Theory. New Delhi: Narosa, 1999.

MLA استشهاد

Raj,Des, و Promod Chandhok. Sample Survey Theory. Narosa, 1999.