APA (7e ed.) Bronvermelding

Não informado. (1950). Butter, cheese and milk products journal. Olsen Publishers.

Chicago (17e ed.) Bronvermelding

Não informado. Butter, Cheese and Milk Products Journal. Milwaukee, Wis: Olsen Publishers, 1950.

MLA (8e ed.) Bronvermelding

Não informado. Butter, Cheese and Milk Products Journal. Olsen Publishers, 1950.

Let op: Deze citaties zijn niet altijd 100% accuraat.