Παραπομπή APA

Barbour, M. G. (1980). Terrestrial plant ecology. Benjamin/Cummings.

Παραπομπή Chicago Style

Barbour, Michael G. Terrestrial Plant Ecology. Menlo park: Benjamin/Cummings, 1980.

Παραπομπή MLA

Barbour, Michael G. Terrestrial Plant Ecology. Benjamin/Cummings, 1980.