Dyfyniad APA

Bartelmus, P. (2013). Sustainability economics: An introduction. Routledge.

Dyfyniad Arddull Chicago

Bartelmus, Peter. Sustainability Economics: An Introduction. Abingdon, Oxon, [England]: Routledge, 2013.

Dyfyniad MLA

Bartelmus, Peter. Sustainability Economics: An Introduction. Routledge, 2013.

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