Cita APA (7th ed.)

Jill Rutherford. (2016). Environmental Systems and Societies: For the Ib Diploma (Oxford Ib Skills and Practice) (Csm.). "Oxford University Press, USA".

Cita Chicago (17th ed.)

Jill Rutherford. Environmental Systems and Societies: For the Ib Diploma (Oxford Ib Skills and Practice). Csm. "Oxford University Press, USA", 2016.

Cita MLA (9th ed.)

Jill Rutherford. Environmental Systems and Societies: For the Ib Diploma (Oxford Ib Skills and Practice). Csm. "Oxford University Press, USA", 2016.