Bailey, H. L. (1955). Vermont's potato story: A history of the potato industry in Vermont, the seed certification service, and the Vermont Certified Seed and Potato Growers Association. The Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bailey, Harold L. Vermont's Potato Story: A History of the Potato Industry in Vermont, the Seed Certification Service, and the Vermont Certified Seed and Potato Growers Association. [Montpelier, Vt.?]: The Association, 1955.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bailey, Harold L. Vermont's Potato Story: A History of the Potato Industry in Vermont, the Seed Certification Service, and the Vermont Certified Seed and Potato Growers Association. The Association, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.