Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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