Παραπομπή APA

Faber,Malte, & Proops,John L R. (1993). Evolution, time, production and the environment (2.). Springer - Verlag.

Παραπομπή Chicago Style

Faber,Malte, και Proops,John L R. Evolution, Time, Production and the Environment. 2. Berlin Heidelberg: Springer - Verlag, 1993.

Παραπομπή MLA

Faber,Malte, και Proops,John L R. Evolution, Time, Production and the Environment. 2. Springer - Verlag, 1993.