Discovery Channel School. (2005). Conservation of natural resources (version 2.0.). Discovery Channel School.
Chicago Style (17th ed.) CitationDiscovery Channel School. Conservation of Natural Resources. version 2.0. s.l: Discovery Channel School, 2005.
MLA (9th ed.) CitationDiscovery Channel School. Conservation of Natural Resources. version 2.0. Discovery Channel School, 2005.
Warning: These citations may not always be 100% accurate.