Παραπομπή APA

Barnet, H. J. [. a. Population, resources and the futhure: Non Malthusian perspectives.

Παραπομπή Chicago Style

Barnet, Harold J. [...et al]. Population, Resources and the Futhure: Non Malthusian Perspectives.

Παραπομπή MLA

Barnet, Harold J. [...et al]. Population, Resources and the Futhure: Non Malthusian Perspectives.