APA-viite (7. p.)

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

Chicago-viite (17. p.)

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.

MLA-viite (8. p.)

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