Diggins, R. V., & Bundy, C. E. (1956). Beef production. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Diggins, Ronald V., agus Clarence E. Bundy. Beef Production. Englewood Cliffs, N.J.: Prentice-Hall, 1956.
Lua MLA (8ú heag.)Diggins, Ronald V., agus Clarence E. Bundy. Beef Production. Prentice-Hall, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.