Brisco, N. A., & Wingate, J. W. (1926). Retail buying. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Brisco, Norris A., agus John Williams Wingate. Retail Buying. New York: Prentice-Hall, 1926.
Lua MLA (8ú heag.)Brisco, Norris A., agus John Williams Wingate. Retail Buying. Prentice-Hall, 1926.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.