Raymond Frederic Dasmann. (1984). Environmental conservation. New York: John Wiley.
Trích dẫn kiểu ChicagoRaymond Frederic Dasmann. Environmental Conservation. New York: John Wiley, 1984.
MLA引文Raymond Frederic Dasmann. Environmental Conservation. New York: John Wiley, 1984.
警告:這些引文格式不一定是100%准確.