APA (7th ed.) Zitazioa

Gregerman, I. B. (1981). Knowledge worker productivity. AMA Management Briefing.

Chicago Style (17th ed.) Zitazioa

Gregerman, Ira B. Knowledge Worker Productivity. Nueva York: AMA Management Briefing, 1981.

MLA (9th ed.) Zitazioa

Gregerman, Ira B. Knowledge Worker Productivity. AMA Management Briefing, 1981.