Cita APA (7th ed.)
ebrary, Inc. (2005). Build it big: 101 insider secrets from top direct selling experts. Dearborn Trade Pub..
Cita Chicago (17th ed.)
ebrary, Inc. Build It Big: 101 Insider Secrets from Top Direct Selling Experts. Chicago: Dearborn Trade Pub., 2005.
Cita MLA (9th ed.)
ebrary, Inc. Build It Big: 101 Insider Secrets from Top Direct Selling Experts. Dearborn Trade Pub., 2005.
Atenció: Aquestes cites poden no estar 100% correctes.