Παραπομπή σε μορφή APA (7η εκδ.)

Unesco, Ryding, S., & Rast, W. (1989). The Control of euthrophication of lakes and reservoirs. Published by Unesco and Parthenon.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Unesco, Sven-Olof Ryding, και Walter Rast. The Control of Euthrophication of Lakes and Reservoirs. Paris and UK: Published by Unesco and Parthenon, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

Unesco, et al. The Control of Euthrophication of Lakes and Reservoirs. Published by Unesco and Parthenon, 1989.