APA ציטוט

World Conservation Monitoring Centre. (1992). Protected areas of the world: A review of national systems. International Union for Conservation of Nature and Natural Resources.

Chicago Style (17th ed.) Citation

World Conservation Monitoring Centre. Protected Areas of the World: A Review of National Systems. Gland, Switzerland: International Union for Conservation of Nature and Natural Resources, 1992.

ציטוט MLA

World Conservation Monitoring Centre. Protected Areas of the World: A Review of National Systems. International Union for Conservation of Nature and Natural Resources, 1992.