Shepperd, J. A., & Taylor, K. M. (2001). Social loafing and expectancy-value theory.
Lua i Stíl Chicago (17ú heag.)Shepperd, James A., agus Kevin M. Taylor. Social Loafing and Expectancy-value Theory. 2001.
Lua MLA (9ú heag.)Shepperd, James A., agus Kevin M. Taylor. Social Loafing and Expectancy-value Theory. 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.