Παραπομπή APA

Heer, D. M. (1969). Society and population. Prentice- Hall of India.

Παραπομπή Chicago Style

Heer, David M. Society and Population. New Delhi: Prentice- Hall of India, 1969.

Παραπομπή MLA

Heer, David M. Society and Population. Prentice- Hall of India, 1969.