Lua APA (7ú heag.)

Bontemps, A. W. (1950). George Washington Carver. Row, Peterson, and Co..

Lua i Stíl Chicago (17ú heag.)

Bontemps, Arna Wendell. George Washington Carver. Evanston, Ill.: Row, Peterson, and Co., 1950.

Lua MLA (8ú heag.)

Bontemps, Arna Wendell. George Washington Carver. Row, Peterson, and Co., 1950.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.