Παραπομπή APA

Gupta,S P. (1990). Population growth and the problem of un-employment. Anmol.

Παραπομπή Chicago Style

Gupta,S P. Population Growth and the Problem of Un-employment. New Delhi: Anmol, 1990.

Παραπομπή MLA

Gupta,S P. Population Growth and the Problem of Un-employment. Anmol, 1990.