Cita APA (7th ed.)

(1999). Global aspects of the environment. Eward Elgar.

Cita Chicago (17th ed.)

Global Aspects of the Environment. Cheltenham: Eward Elgar, 1999.

Cita MLA (9th ed.)

Global Aspects of the Environment. Eward Elgar, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.