APA-ийн эшлэл(7 дахь хэвлэлт)

Drucker, P. F., Hesselbein, F., & Economy, P. (2015). Peter Drucker's five most important questions: Enduring wisdom for young leaders. John Wiley & Sons.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Drucker, Peter F., Frances Hesselbein, ба Peter Economy. Peter Drucker's Five Most Important Questions: Enduring Wisdom for Young Leaders. Hoboken, New Jersey: John Wiley & Sons, 2015.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Drucker, Peter F., et al. Peter Drucker's Five Most Important Questions: Enduring Wisdom for Young Leaders. John Wiley & Sons, 2015.