Citazione Stile APA (7a Edizione)

HAGEL JOHN. (1999). NET GAIN. HARVARD BUSINESS SCHOOL.

Citazione stile Chigago Style (17a edizione)

HAGEL JOHN. NET GAIN. BOSTON: HARVARD BUSINESS SCHOOL, 1999.

Citatione MLA (9a ed.)

HAGEL JOHN. NET GAIN. HARVARD BUSINESS SCHOOL, 1999.