Keyfitz, N. (1968). Introduction to the mathematics of population. Addison-Wesley Pub.
Chicago Style (17th ed.) CitationKeyfitz, Nathan. Introduction to the Mathematics of Population. Reading, Mass: Addison-Wesley Pub, 1968.
ציטוט MLAKeyfitz, Nathan. Introduction to the Mathematics of Population. Addison-Wesley Pub, 1968.
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