Spokane County Noxious Weed Control Board. (2015). Noxious weeds of Spokane County. Spokane County Noxious Weed Control Board.
Цитирование в стиле Чикаго (17-е изд.)Spokane County Noxious Weed Control Board. Noxious Weeds of Spokane County. Spokane, WA: Spokane County Noxious Weed Control Board, 2015.
Цитирование MLA (8-е изд.)Spokane County Noxious Weed Control Board. Noxious Weeds of Spokane County. Spokane County Noxious Weed Control Board, 2015.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.