Hartt, R. L. (1909). The people at play. Houghton Mifflin Co..
Lua i Stíl Chicago (17ú heag.)Hartt, Rollin Lynde. The People at Play. Boston New York: Houghton Mifflin Co., 1909.
Lua MLA (8ú heag.)Hartt, Rollin Lynde. The People at Play. Houghton Mifflin Co., 1909.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.