APA-viite

Heyman, J. B. (2010). Profit at the bottom of the ladder: Creating value by investing in your workforce.

Chicago-tyylinen lähdeviittaus

Heyman, Jody; Barrera. Profit at the Bottom of the Ladder: Creating Value by Investing in Your Workforce. Harvard Business School Press, 2010.

MLA-viite

Heyman, Jody; Barrera. Profit at the Bottom of the Ladder: Creating Value by Investing in Your Workforce. 2010.