LLOYD KEN. (2001). HOW TO DEAL WITH PEOPLE PROBLEMS AND PROBLEM PEOPLE. JAICO PUBLISHING HOUSE.
Cita Chicago (17th ed.)LLOYD KEN. HOW TO DEAL WITH PEOPLE PROBLEMS AND PROBLEM PEOPLE. MUMBAI: JAICO PUBLISHING HOUSE, 2001.
Cita MLA (9th ed.)LLOYD KEN. HOW TO DEAL WITH PEOPLE PROBLEMS AND PROBLEM PEOPLE. JAICO PUBLISHING HOUSE, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.