WESTERMAN GEORG. (2014). LEADING DIGITAL. HARVARD BUSINESS REVIEW PRESS.
Chicago Style (17. basım) AtıfWESTERMAN GEORG. LEADING DIGITAL. BOSTON: HARVARD BUSINESS REVIEW PRESS, 2014.
MLA (9th ed.) AtıfWESTERMAN GEORG. LEADING DIGITAL. HARVARD BUSINESS REVIEW PRESS, 2014.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..