Akhtar , R., & Verhasselt, Y. (1990). Disease ecology, and health: Readings in medical geography. Rawat.
Chicago Style (17. basım) AtıfAkhtar , Rais, ve Yola Verhasselt. Disease Ecology, and Health: Readings in Medical Geography. Jaipur: Rawat, 1990.
MLA (9th ed.) AtıfAkhtar , Rais, ve Yola Verhasselt. Disease Ecology, and Health: Readings in Medical Geography. Rawat, 1990.
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