Zelinsky, W., Kosinski, L. A., & Prothero, R. M. (1970). Geography and a crowding world: A symposium on population pressures upon physical and social resources in the developing lands. New York: Oxford University Press.
Παραπομπή Chicago StyleZelinsky, Wilbur, Leszek A. Kosinski, and R. Mansell Prothero. Geography and a Crowding World: A Symposium On Population Pressures Upon Physical and Social Resources in the Developing Lands. New York: Oxford University Press, 1970.
Παραπομπή MLAZelinsky, Wilbur, Leszek A. Kosinski, and R. Mansell Prothero. Geography and a Crowding World: A Symposium On Population Pressures Upon Physical and Social Resources in the Developing Lands. New York: Oxford University Press, 1970.
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