Παραπομπή APA

Sayer, J. (2004). Science of sustainable development: Total livelihoods and the global environment. CUP.

Παραπομπή Chicago Style

Sayer, Jefferey. Science of Sustainable Development: Total Livelihoods and the Global Environment. Cabridge: CUP, 2004.

Παραπομπή MLA

Sayer, Jefferey. Science of Sustainable Development: Total Livelihoods and the Global Environment. CUP, 2004.