Wingate, M., & Koch, J. (2013). Perennials for the Pacific Northwest: 500 best plants for flower gardens. Sasquatch Books.
Style de citation Chicago (17e éd.)Wingate, Marty, et Jacqueline Koch. Perennials for the Pacific Northwest: 500 Best Plants for Flower Gardens. Seattle, WA: Sasquatch Books, 2013.
Style de citation MLA (8e éd.)Wingate, Marty, et Jacqueline Koch. Perennials for the Pacific Northwest: 500 Best Plants for Flower Gardens. Sasquatch Books, 2013.
Attention : ces citations peuvent ne pas être correctes à 100%.