Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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