Osteen,Joel. (2007). become a better you- 7 keys to improving your life every day. Simon & Schuster.
Chicago-stil citatOsteen,Joel. Become a Better You- 7 Keys to Improving Your Life Every Day. UK: Simon & Schuster, 2007.
MLA-referensOsteen,Joel. Become a Better You- 7 Keys to Improving Your Life Every Day. Simon & Schuster, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.