Calhoon, J. (2011). The one hour plan for growth: How a single sheet of paper can take your business to the next level (1st edition.). Wiley.
Chicago-Zitierstil (17. Ausg.)Calhoon, Joe. The One Hour Plan for Growth: How a Single Sheet of Paper Can Take Your Business to the Next Level. 1st edition. Hoboken, N.J.: Wiley, 2011.
MLA-Zitierstil (8. Ausg.)Calhoon, Joe. The One Hour Plan for Growth: How a Single Sheet of Paper Can Take Your Business to the Next Level. 1st edition. Wiley, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.