Παραπομπή APA

Sachs, W. (1999). Planet dialectics: Explorations in environment and development. Halifax: Fernwood Publishing.

Παραπομπή Chicago Style

Sachs, Wolfgagng. Planet Dialectics: Explorations in Environment and Development. Halifax: Fernwood Publishing, 1999.

Παραπομπή MLA

Sachs, Wolfgagng. Planet Dialectics: Explorations in Environment and Development. Halifax: Fernwood Publishing, 1999.

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