COVEY STEPHEN R. (1999). LIVING THE 7 HABITS: STORIES OF COURAGE AND INSPIRATION. FIRESIDE BOOK.
Cita Chicago Style (17a ed.)COVEY STEPHEN R. LIVING THE 7 HABITS: STORIES OF COURAGE AND INSPIRATION. NEW YORK: FIRESIDE BOOK, 1999.
Cita MLA (9a ed.)COVEY STEPHEN R. LIVING THE 7 HABITS: STORIES OF COURAGE AND INSPIRATION. FIRESIDE BOOK, 1999.
Precaución: Estas citas no son 100% exactas.