APA (7 ম সংস্করণ) উদ্ধৃতি

National Environmental Education Development. National Park Foundation. (1971). Adventure in environment: Teacher's guide. Silver Burdett.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

National Environmental Education Development. National Park Foundation. Adventure in Environment: Teacher's Guide. Morristown, NJ: Silver Burdett, 1971.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

National Environmental Education Development. National Park Foundation. Adventure in Environment: Teacher's Guide. Silver Burdett, 1971.