Não informado. (2001). Annual Report of the Secretary of the State Horticultural Society of Michigan. Michigan Horticultural Society.
Style de citation Chicago (17e éd.)Não informado. Annual Report of the Secretary of the State Horticultural Society of Michigan. Lansing, Mich: Michigan Horticultural Society, 2001.
Style de citation MLA (8e éd.)Não informado. Annual Report of the Secretary of the State Horticultural Society of Michigan. Michigan Horticultural Society, 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.