Forssman, S., & Coppee, G. (1973). Occupational health problems of young workers. International Labour Office.
Lua i Stíl Chicago (17ú heag.)Forssman, Sven, agus G.H Coppee. Occupational Health Problems of Young Workers. Geneva: International Labour Office, 1973.
Lua MLA (9ú heag.)Forssman, Sven, agus G.H Coppee. Occupational Health Problems of Young Workers. International Labour Office, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.