Castillon, D. A. (1992). Conservation of natural resources: A resource management approach. Wm.C. Brown.
Chicago Style (17th ed.) CitationCastillon, David A. Conservation of Natural Resources: A Resource Management Approach. Dubuque, Iowa: Wm.C. Brown, 1992.
MLA (9th ed.) CitationCastillon, David A. Conservation of Natural Resources: A Resource Management Approach. Wm.C. Brown, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.