APA (7 वां संस्करण) प्रशस्ति पत्र
Schaeffer. Francis A. (1970). Pollution and the death of man: The christian view of ecology. Tyndale.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Schaeffer. Francis A. Pollution and the Death of Man: The Christian View of Ecology. Illinois: Tyndale, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Schaeffer. Francis A. Pollution and the Death of Man: The Christian View of Ecology. Tyndale, 1970.
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