Παραπομπή APA

Chopra, K., & ...[et al.]. (2001). Ecological economics for sustainable development. Academic Foundation.

Παραπομπή Chicago Style

Chopra, Kanchan, και ...[et al.]. Ecological Economics for Sustainable Development. Ghaziabad: Academic Foundation, 2001.

Παραπομπή MLA

Chopra, Kanchan, και ...[et al.]. Ecological Economics for Sustainable Development. Academic Foundation, 2001.