Louden, J. K., & Deegan, J. W. (1959). Wage incentives. Wiley.
Lua i Stíl Chicago (17ú heag.)Louden, J. Keith, agus J. Wayne Deegan. Wage Incentives. New York: Wiley, 1959.
Lua MLA (9ú heag.)Louden, J. Keith, agus J. Wayne Deegan. Wage Incentives. Wiley, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.