Não informado. (1910). National butter and cheese journal. Olsen Publishers.
Style de citation Chicago (17e éd.)Não informado. National Butter and Cheese Journal. Milwaukee, Wis: Olsen Publishers, 1910.
Style de citation MLA (8e éd.)Não informado. National Butter and Cheese Journal. Olsen Publishers, 1910.
Attention : ces citations peuvent ne pas être correctes à 100%.