Lua APA (7ú heag.)

Lester, R. A. (1941). Economics of labor. Macmillan Co..

Lua i Stíl Chicago (17ú heag.)

Lester, Richard Allen. Economics of Labor. New York: Macmillan Co., 1941.

Lua MLA (8ú heag.)

Lester, Richard Allen. Economics of Labor. Macmillan Co., 1941.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.