Washington (State). Department of Agriculture. (1989). Washington's centennial farms: Yesterday and today. Washington State Dept. of Agriculture.
Style de citation Chicago (17e éd.)Washington (State). Department of Agriculture. Washington's Centennial Farms: Yesterday and Today. Olympia, Wash. (406 General Administration Bldg., Olympia 98504-0641): Washington State Dept. of Agriculture, 1989.
Style de citation MLA (8e éd.)Washington (State). Department of Agriculture. Washington's Centennial Farms: Yesterday and Today. Washington State Dept. of Agriculture, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.