APA-ийн эшлэл(7 дахь хэвлэлт)

Clarke-Epstein, C. (2002). 78 important questions every leader should ask and answer. AMACOM.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Clarke-Epstein, Chris. 78 Important Questions Every Leader Should Ask and Answer. New York: AMACOM, 2002.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Clarke-Epstein, Chris. 78 Important Questions Every Leader Should Ask and Answer. AMACOM, 2002.