APA aipamena

Keyfitz,Nathan. (1977). Applied Mathematical Demography (1977.). John Wiley & Sons.

Chicago Style aipamena

Keyfitz,Nathan. Applied Mathematical Demography. 1977. New York: John Wiley & Sons, 1977.

MLA aipamena

Keyfitz,Nathan. Applied Mathematical Demography. 1977. John Wiley & Sons, 1977.