Kelsey, C. 1. . e. (1920). Industrial stability. The American Academy of Political and Social Science.
Lua i Stíl Chicago (17ú heag.)Kelsey, Carl 1870- ed. Industrial Stability. Philadelphia: The American Academy of Political and Social Science, 1920.
Lua MLA (9ú heag.)Kelsey, Carl 1870- ed. Industrial Stability. The American Academy of Political and Social Science, 1920.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.