APA (7e ed.) Bronvermelding

Schiffman, S. (1998). Make it your business [soundrecording]: The definitive guide to launching, managing and succeeding in your own business. Simon & Schuster.

Chicago (17e ed.) Bronvermelding

Schiffman, Stephan. Make It Your Business [soundrecording]: The Definitive Guide to Launching, Managing and Succeeding in Your Own Business. New York: Simon & Schuster, 1998.

MLA (9e ed.) Bronvermelding

Schiffman, Stephan. Make It Your Business [soundrecording]: The Definitive Guide to Launching, Managing and Succeeding in Your Own Business. Simon & Schuster, 1998.