HARLAN RAYMOND C. (1993). TELEMARKETING THAT WORKS: HOW TO CREATE A WINNING PROG... JAICO PUBLISHING HOUSE.
Chicago (17e ed.) BronvermeldingHARLAN RAYMOND C. TELEMARKETING THAT WORKS: HOW TO CREATE A WINNING PROG... MUMBAI: JAICO PUBLISHING HOUSE, 1993.
MLA (9e ed.) BronvermeldingHARLAN RAYMOND C. TELEMARKETING THAT WORKS: HOW TO CREATE A WINNING PROG... JAICO PUBLISHING HOUSE, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.