CLARKE-EPSTEIN CHRIS. (2007). 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. PRENTICE HALL OF INDIA.
Chicago Style (17. basım) AtıfCLARKE-EPSTEIN CHRIS. 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. NEW DELHI: PRENTICE HALL OF INDIA, 2007.
MLA (9th ed.) AtıfCLARKE-EPSTEIN CHRIS. 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. PRENTICE HALL OF INDIA, 2007.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..