Não informado. (2001). Annual Report of the Secretary of the State Pomological Society of Michigan. State Pomological Society of Michigan.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Secretary of the State Pomological Society of Michigan. Lansing, Mich: State Pomological Society of Michigan, 2001.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Secretary of the State Pomological Society of Michigan. State Pomological Society of Michigan, 2001.
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