Fitzgerald, T. J., & Hokanson, E. F. (2010). Gardening in the Inland Northwest: A guide to growing the best vegetables, berries, grapes, and fruit trees. Cooperative Extension, Washington State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fitzgerald, Tonie Jean, و Ellen Fitzgerald Hokanson. Gardening in the Inland Northwest: A Guide to Growing the Best Vegetables, Berries, Grapes, and Fruit Trees. [Pullman, Wash.]: Cooperative Extension, Washington State University, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Fitzgerald, Tonie Jean, و Ellen Fitzgerald Hokanson. Gardening in the Inland Northwest: A Guide to Growing the Best Vegetables, Berries, Grapes, and Fruit Trees. Cooperative Extension, Washington State University, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.