OBryan Pat. (2007). Your Portable Empire: How to Make Money Anywhere While Doing What You Love. New Jersey: Wiley.
Dyfyniad Arddull ChicagoOBryan Pat. Your Portable Empire: How to Make Money Anywhere While Doing What You Love. New Jersey: Wiley, 2007.
Dyfyniad MLAOBryan Pat. Your Portable Empire: How to Make Money Anywhere While Doing What You Love. New Jersey: Wiley, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.