HEER, D. M. (1987). Society and population.--ed.2. Prentice Hall of India.
Chicago Style aipamenaHEER, David M. Society and Population.--ed.2. New Delhi: Prentice Hall of India, 1987.
MLA aipamenaHEER, David M. Society and Population.--ed.2. Prentice Hall of India, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.