Não informado. (1950). Butter, cheese and milk products journal. Olsen Publishers.
Cita Chicago Style (17a ed.)Não informado. Butter, Cheese and Milk Products Journal. Milwaukee, Wis: Olsen Publishers, 1950.
Cita MLA (8a ed.)Não informado. Butter, Cheese and Milk Products Journal. Olsen Publishers, 1950.
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