Não informado. (2001). Michigan dry bean digest. Michigan Bean Shippers Association.
Chicago-viite (17. p.)Não informado. Michigan Dry Bean Digest. Saginaw, Mich: Michigan Bean Shippers Association, 2001.
MLA-viite (8. p.)Não informado. Michigan Dry Bean Digest. Michigan Bean Shippers Association, 2001.
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