Spokane County Noxious Weed Control Board. (2015). Noxious weeds of Spokane County. Spokane County Noxious Weed Control Board.
Style de citation Chicago (17e éd.)Spokane County Noxious Weed Control Board. Noxious Weeds of Spokane County. Spokane, WA: Spokane County Noxious Weed Control Board, 2015.
Style de citation MLA (8e éd.)Spokane County Noxious Weed Control Board. Noxious Weeds of Spokane County. Spokane County Noxious Weed Control Board, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.