Gaya APA

Weinstein, J, A., Pillai, V, K. (2001). Demography : the science of population . Needham Heights: Allyn & Bacon.

Gaya MLA

Weinstein, Jay, A.., Pillai, Vijayan, K.. "Demography : the science of population". Needham Heights: Allyn & Bacon, 2001. Text.