Osteen, J. (2007). Become a better you: 7 keys to improving your life every day (1st Free Press hardcover ed.). Free Press.
Chicagoスタイル(17版)引用形式Osteen, Joel. Become a Better You: 7 Keys to Improving Your Life Every Day. 1st Free Press hardcover ed. New York: Free Press, 2007.
MLA(8版)引用形式Osteen, Joel. Become a Better You: 7 Keys to Improving Your Life Every Day. 1st Free Press hardcover ed. Free Press, 2007.
警告: この引用は必ずしも正確ではありません.