Cita APA

World Congress on National Parks and Protected Areas. (1993). Parks for life, IV th: 1992. Gland: IUCN.

Citación estilo Chicago

World Congress on National Parks and Protected Areas. Parks for Life, IV Th: 1992. Gland: IUCN, 1993.

Cita MLA

World Congress on National Parks and Protected Areas. Parks for Life, IV Th: 1992. Gland: IUCN, 1993.

Precaución: Estas citas no son 100% exactas.