Cohen, J. G., & Scarlet, W. (1931). Modern pioneers. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Cohen, Joseph George, agus Will Scarlet. Modern Pioneers. Boston : New York [etc.]: Allyn and Bacon, 1931.
Lua MLA (8ú heag.)Cohen, Joseph George, agus Will Scarlet. Modern Pioneers. Allyn and Bacon, 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.