(2007). MasterGardener. GFG Pub. ; in cooperation with the Washington State University Master Gardener Program.
Style de citation Chicago (17e éd.)MasterGardener. [Yakima, Wash.]: GFG Pub. ; in cooperation with the Washington State University Master Gardener Program, 2007.
Style de citation MLA (8e éd.)MasterGardener. GFG Pub. ; in cooperation with the Washington State University Master Gardener Program, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.