Cita APA (7a ed.)
Covey, S. R. (2005). <The> 7 habits of highly effective people: Personal workbook. Simon & Schuster.
Cita Chicago Style (17a ed.)
Covey, Stephen R. <The> 7 Habits of Highly Effective People: Personal Workbook. London: Simon & Schuster, 2005.
Cita MLA (9a ed.)
Covey, Stephen R. <The> 7 Habits of Highly Effective People: Personal Workbook. Simon & Schuster, 2005.
Precaución: Estas citas no son 100% exactas.