RIES AL. (1996). FOCUS: THE FUTURE OF YOUR COMPANY DEPENDS UPON IT. HARPER COLLINS PUBLISHERS.
Chicago-Zitierstil (17. Ausg.)RIES AL. FOCUS: THE FUTURE OF YOUR COMPANY DEPENDS UPON IT. USA: HARPER COLLINS PUBLISHERS, 1996.
MLA-Zitierstil (9. Ausg.)RIES AL. FOCUS: THE FUTURE OF YOUR COMPANY DEPENDS UPON IT. HARPER COLLINS PUBLISHERS, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.