Cita APA (7th ed.)

(1989). The control of eutrophication of lakes and reservoirs. Unesco: The Parthenon.

Cita Chicago (17th ed.)

The Control of Eutrophication of Lakes and Reservoirs. Paris: Unesco: The Parthenon, 1989.

Cita MLA (9th ed.)

The Control of Eutrophication of Lakes and Reservoirs. Unesco: The Parthenon, 1989.