Dickinson, S., Lewis, H. R., & Gregory, R. W. (1950). Poultry enterprises ([revised].). J.B. Lippincott company.
Lua i Stíl Chicago (17ú heag.)Dickinson, Sherman, Harry Reynolds Lewis, agus R. W. Gregory. Poultry Enterprises. [revised]. Chicago, Philadelphia [etc.]: J.B. Lippincott company, 1950.
Lua MLA (8ú heag.)Dickinson, Sherman, et al. Poultry Enterprises. [revised]. J.B. Lippincott company, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.