APA-ийн эшлэл(7 дахь хэвлэлт)

CLARKE-EPSTEIN CHRIS. (2007). 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. PRENTICE HALL OF INDIA.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

CLARKE-EPSTEIN CHRIS. 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. NEW DELHI: PRENTICE HALL OF INDIA, 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

CLARKE-EPSTEIN CHRIS. 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. PRENTICE HALL OF INDIA, 2007.