Instituto Brasileiro de Informação em Ciência e Tecnologia

توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

International Union for Conservation of Nature and Natural Resources, National Park Service\nOrganization of American States\nEastern National Park and Monument Association. (1976). Parks. U.S. National Park Service.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

International Union for Conservation of Nature and Natural Resources, National Park Service\nOrganization of American States\nEastern National Park and Monument Association. Parks. Washington: U.S. National Park Service, 1976.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

International Union for Conservation of Nature and Natural Resources, National Park Service\nOrganization of American States\nEastern National Park and Monument Association. Parks. U.S. National Park Service, 1976.