APA استشهاد

Keyfitz, N., & Caswell, H. (2005). Applied mathematical demography (3rd ed.). Springer.

استشهاد بنمط شيكاغو

Keyfitz, Nathan, و Hal Caswell. Applied Mathematical Demography. 3rd ed. New York: Springer, 2005.

MLA استشهاد

Keyfitz, Nathan, و Hal Caswell. Applied Mathematical Demography. 3rd ed. Springer, 2005.