LLOYD KEN. (2001). HOW TO DEAL WITH PEOPLE PROBLEMS AND PROBLEM PEOPLE. JAICO PUBLISHING HOUSE.
Chicago (17e ed.) BronvermeldingLLOYD KEN. HOW TO DEAL WITH PEOPLE PROBLEMS AND PROBLEM PEOPLE. MUMBAI: JAICO PUBLISHING HOUSE, 2001.
MLA (9e ed.) BronvermeldingLLOYD KEN. HOW TO DEAL WITH PEOPLE PROBLEMS AND PROBLEM PEOPLE. JAICO PUBLISHING HOUSE, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.