Cita APA

O’Bryan, P. (2007). Your portable empire: How to make money anywhere while doing what you love. Hoboken, N.J: John Wiley & Sons, Inc.

Chicago Style Citation

O’Bryan, Pat. Your Portable Empire: How to Make Money Anywhere While Doing What You Love. Hoboken, N.J: John Wiley & Sons, Inc, 2007.

Cita MLA

O’Bryan, Pat. Your Portable Empire: How to Make Money Anywhere While Doing What You Love. Hoboken, N.J: John Wiley & Sons, Inc, 2007.