Unesco, Ryding, S., & Rast, W. (1989). The Control of euthrophication of lakes and reservoirs. Published by Unesco and Parthenon.
芝加哥风格引文Unesco, Sven-Olof Ryding, 与 Walter Rast. The Control of Euthrophication of Lakes and Reservoirs. Paris and UK: Published by Unesco and Parthenon, 1989.
MLA引文Unesco, et al. The Control of Euthrophication of Lakes and Reservoirs. Published by Unesco and Parthenon, 1989.
警告：这些引文格式不一定是100％准确.