APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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