APA (7 ম সংস্করণ) উদ্ধৃতি

Andrew Davis; Garrett Nagle. (2017). Environmental Systems and Societies IB Diploma Study Revision Gui: Second edition (2nd.). Hodder Education.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Andrew Davis; Garrett Nagle. Environmental Systems and Societies IB Diploma Study Revision Gui: Second Edition. 2nd. Hodder Education, 2017.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Andrew Davis; Garrett Nagle. Environmental Systems and Societies IB Diploma Study Revision Gui: Second Edition. 2nd. Hodder Education, 2017.