APA ציטוט

Keiter. (2013). To Conserve Unimpaired (1.). Island Press/Center for Resource Economics.

Chicago Style (17th ed.) Citation

Keiter. To Conserve Unimpaired. 1. Island Press/Center for Resource Economics, 2013.

ציטוט MLA

Keiter. To Conserve Unimpaired. 1. Island Press/Center for Resource Economics, 2013.