Citazione Stile APA (7a Edizione)

Daugherty, C. R. Labor problems in American industry. Dept. of Education.

Citazione stile Chigago Style (17a edizione)

Daugherty, Carroll Roop. Labor Problems in American Industry. United States: Dept. of Education.

Citatione MLA (9a ed.)

Daugherty, Carroll Roop. Labor Problems in American Industry. Dept. of Education.