Washington (State). Department of Ecology. (2001). An aquatic plant identification manual for Washington's freshwater plants. The Dept..
Цитирование в стиле Чикаго (17-е изд.)Washington (State). Department of Ecology. An Aquatic Plant Identification Manual for Washington's Freshwater Plants. [Olympia, Wash.]: The Dept., 2001.
Цитирование MLA (8-е изд.)Washington (State). Department of Ecology. An Aquatic Plant Identification Manual for Washington's Freshwater Plants. The Dept., 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.