SILVERSTEIN BARRY. (2007). BEST PRACTICES: MANAGING PEOPLE. HARPER COLLINS PUBLISHERS.
Chicago (17e ed.) BronvermeldingSILVERSTEIN BARRY. BEST PRACTICES: MANAGING PEOPLE. NEW YORK: HARPER COLLINS PUBLISHERS, 2007.
MLA (9e ed.) BronvermeldingSILVERSTEIN BARRY. BEST PRACTICES: MANAGING PEOPLE. HARPER COLLINS PUBLISHERS, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.