Παραπομπή APA

Barnhizer, D. (1985). Strategies for sustainable societies: Proceedings and Materials from the Globescope 87 International Forum. Washington, DC: Global Tomorrow Coallition.

Παραπομπή Chicago Style

Barnhizer, David. Strategies for Sustainable Societies: Proceedings and Materials From the Globescope 87 International Forum. Washington, DC: Global Tomorrow Coallition, 1985.

Παραπομπή MLA

Barnhizer, David. Strategies for Sustainable Societies: Proceedings and Materials From the Globescope 87 International Forum. Washington, DC: Global Tomorrow Coallition, 1985.

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