Florence, P. S. (1918). Use of factory statistics in the investigation of industrial fatigue, a manual for field research. s.n.
Lua i Stíl Chicago (17ú heag.)Florence, Philip Sargant. Use of Factory Statistics in the Investigation of Industrial Fatigue, a Manual for Field Research. New York: s.n, 1918.
Lua MLA (9ú heag.)Florence, Philip Sargant. Use of Factory Statistics in the Investigation of Industrial Fatigue, a Manual for Field Research. s.n, 1918.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.