Lua APA (7ú heag.)

Williams, W. (1925). Mainsprings of men. C. Scribner's Sons.

Lua i Stíl Chicago (17ú heag.)

Williams, Whiting. Mainsprings of Men. New York: C. Scribner's Sons, 1925.

Lua MLA (9ú heag.)

Williams, Whiting. Mainsprings of Men. C. Scribner's Sons, 1925.

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