Não informado. (2001). Annual Report of the Secretary of the State Horticultural Society of Michigan. Michigan Horticultural Society.
Čikaški stil citiranja (17. izdanje)Não informado. Annual Report of the Secretary of the State Horticultural Society of Michigan. Lansing, Mich: Michigan Horticultural Society, 2001.
MLA način citiranja (8. izdanje)Não informado. Annual Report of the Secretary of the State Horticultural Society of Michigan. Michigan Horticultural Society, 2001.
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