OBryan Pat. (2007). Your Portable Empire: How to Make Money Anywhere While Doing What You Love. New Jersey: Wiley.
استشهاد بنمط شيكاغوOBryan Pat. Your Portable Empire: How to Make Money Anywhere While Doing What You Love. New Jersey: Wiley, 2007.
MLA استشهادOBryan Pat. Your Portable Empire: How to Make Money Anywhere While Doing What You Love. New Jersey: Wiley, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.