Não informado. (2001). Annual Report of the Secretary of the State Pomological Society of Michigan. State Pomological Society of Michigan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Annual Report of the Secretary of the State Pomological Society of Michigan. Lansing, Mich: State Pomological Society of Michigan, 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Annual Report of the Secretary of the State Pomological Society of Michigan. State Pomological Society of Michigan, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.