Citazione Stile APA (7a Edizione)

(1990). Skills, wages, and productivity in the service: Sector. Westview Pr.

Citazione stile Chigago Style (17a edizione)

Skills, Wages, and Productivity in the Service: Sector. Boulder: Westview Pr, 1990.

Citatione MLA (9a ed.)

Skills, Wages, and Productivity in the Service: Sector. Westview Pr, 1990.