APA-referens

Siegel, J. S. (2004). The methods and materials of demography (2. ed.). San Diego, Calif. [u.a.].

Chicago-stil citat

Siegel, Jacob S. The Methods and Materials of Demography. 2. ed. San Diego, Calif. [u.a.], 2004.

MLA-referens

Siegel, Jacob S. The Methods and Materials of Demography. 2. ed. San Diego, Calif. [u.a.], 2004.