Não informado. (1950). Butter, cheese and milk products journal. Olsen Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Butter, Cheese and Milk Products Journal. Milwaukee, Wis: Olsen Publishers, 1950.
Lua MLA (8ú heag.)Não informado. Butter, Cheese and Milk Products Journal. Olsen Publishers, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.