Crisostomo, I. T. (2002). The president as salesperson and manager. Manila Bulletin.
Chicago (17e ed.) BronvermeldingCrisostomo, Isabelo T. "The President as Salesperson and Manager." Manila Bulletin 2002.
MLA (9e ed.) BronvermeldingCrisostomo, Isabelo T. "The President as Salesperson and Manager." Manila Bulletin, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.