Instituto Brasileiro de Informação em Ciência e Tecnologia

APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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.