Harvard Business Review-HBR.
Chicago Style (17. basım) AtıfHarvard Business Review-HBR.
MLA (9th ed.) AtıfHarvard Business Review-HBR.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
Harvard Business Review-HBR.
Chicago Style (17. basım) AtıfHarvard Business Review-HBR.
MLA (9th ed.) AtıfHarvard Business Review-HBR.