Παραπομπή APA

Birkeland, J. (2002). Design for sustainability: A sourcebook of intergrated ecological solutions. London: Earthscan.

Παραπομπή Chicago Style

Birkeland, Janis. Design for Sustainability: A Sourcebook of Intergrated Ecological Solutions. London: Earthscan, 2002.

Παραπομπή MLA

Birkeland, Janis. Design for Sustainability: A Sourcebook of Intergrated Ecological Solutions. London: Earthscan, 2002.

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