Castillon, D. A. (1992). Conservation of natural resources: A resource management approach. Wm. C. Brown.
Chicago Style aipamenaCastillon, David A. Conservation of Natural Resources: A Resource Management Approach. Dubuque, Iowa: Wm. C. Brown, 1992.
MLA aipamenaCastillon, David A. Conservation of Natural Resources: A Resource Management Approach. Wm. C. Brown, 1992.
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