HAMEL GARY. (2002). COMPETING FOR THE FUTURE. TATA MCGRAW-HILL PUBLISHING COMPANY.
Chicago (17e ed.) BronvermeldingHAMEL GARY. COMPETING FOR THE FUTURE. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY, 2002.
MLA (9e ed.) BronvermeldingHAMEL GARY. COMPETING FOR THE FUTURE. TATA MCGRAW-HILL PUBLISHING COMPANY, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.