Brubaker, S. (1972). To live on earth: Man and his environment in perspective. New American Library.
Chicago Style aipamenaBrubaker, Sterling. To Live on Earth: Man and His Environment in Perspective. New York: New American Library, 1972.
MLA aipamenaBrubaker, Sterling. To Live on Earth: Man and His Environment in Perspective. New American Library, 1972.
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