Denniston, D., & Ayres, E. (1995). High priorities: Conserving mountain ecosystems and cultures. Worldwatch Institute.
Chicago Style (17. basım) AtıfDenniston, Derek, ve Ed Ayres. High Priorities: Conserving Mountain Ecosystems and Cultures. Washington, DC: Worldwatch Institute, 1995.
MLA (9th ed.) AtıfDenniston, Derek, ve Ed Ayres. High Priorities: Conserving Mountain Ecosystems and Cultures. Worldwatch Institute, 1995.
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