Citazione APA

National Wool Growers Association (U.S.), National Lamb Feeders Association (U.S.), & American Sheep Industry Association. National wool grower. American Sheep Industry Association, etc.].

Stile di citazione Chicago

National Wool Growers Association (U.S.), National Lamb Feeders Association (U.S.), e American Sheep Industry Association. National Wool Grower. [Englewood, Colo., etc.: American Sheep Industry Association, etc.].

Citazione MLA

National Wool Growers Association (U.S.), et al. National Wool Grower. American Sheep Industry Association, etc.].