Παραπομπή APA

Kormondy, E. J. (1971). Concepts of ecology. Prentice-hall of India Pvt Ltd.

Παραπομπή Chicago Style

Kormondy, E J. Concepts of Ecology. New Delhi: Prentice-hall of India Pvt Ltd, 1971.

Παραπομπή MLA

Kormondy, E J. Concepts of Ecology. Prentice-hall of India Pvt Ltd, 1971.