WATERMAN ROBERT H. (1987). RENEWAL FACTOR: HOW THE BEST GET AND KEEP THE COMPETITIVE EDGE. BANTAM BOOKS.
Chicago (17e ed.) BronvermeldingWATERMAN ROBERT H. RENEWAL FACTOR: HOW THE BEST GET AND KEEP THE COMPETITIVE EDGE. TORONTO NEW YORK: BANTAM BOOKS, 1987.
MLA (9e ed.) BronvermeldingWATERMAN ROBERT H. RENEWAL FACTOR: HOW THE BEST GET AND KEEP THE COMPETITIVE EDGE. BANTAM BOOKS, 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.