توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Tulgan, B. (2007). It's okay to be the boss: The step-by-step guide to becoming the manager your employees need. HarperCollins Publishers.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Tulgan, Bruce. It's Okay to Be the Boss: The Step-by-step Guide to Becoming the Manager Your Employees Need. New York: HarperCollins Publishers, 2007.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Tulgan, Bruce. It's Okay to Be the Boss: The Step-by-step Guide to Becoming the Manager Your Employees Need. HarperCollins Publishers, 2007.