Lua APA (7ú heag.)
Barrett, M. A., & Larkin P.J. (1974). Milk and beef production in the tropics. OUP.
Lua i Stíl Chicago (17ú heag.)
Barrett, M. A., agus Larkin P.J. Milk and Beef Production in the Tropics. New York: OUP, 1974.
Lua MLA (9ú heag.)
Barrett, M. A., agus Larkin P.J. Milk and Beef Production in the Tropics. OUP, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.