Παραπομπή APA

Keyfitz, N., & Murphy, E. M. (1964). Comparative demographic computations: Based on official (unadjusted) data for 69 selected countries and regions. Chicago: University of Chicago.

Παραπομπή Chicago Style

Keyfitz, Nathan, and Edmund M. Murphy. Comparative Demographic Computations: Based On Official (unadjusted) Data for 69 Selected Countries and Regions. Chicago: University of Chicago, 1964.

Παραπομπή MLA

Keyfitz, Nathan, and Edmund M. Murphy. Comparative Demographic Computations: Based On Official (unadjusted) Data for 69 Selected Countries and Regions. Chicago: University of Chicago, 1964.

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