Παραπομπή APA

Beyers,Robert J, & odum,howard t. (1993). Ecological microcosms. Springer-Verlag.

Παραπομπή Chicago Style

Beyers,Robert J, και odum,howard t. Ecological Microcosms. New York: Springer-Verlag, 1993.

Παραπομπή MLA

Beyers,Robert J, και odum,howard t. Ecological Microcosms. Springer-Verlag, 1993.