NEWSTROM J. W., SCANNELL E. E., . (1996). BIG BOOK OF BUSINESS GAMES. NEW YORK: MCGRAW HILL.
NEWSTROM JOHN W, SCANNELL EDWARD E, . 1996. BIG BOOK OF BUSINESS GAMES. NEW YORK: MCGRAW HILL.
NEWSTROM JOHN W, SCANNELL EDWARD E, . BIG BOOK OF BUSINESS GAMES. NEW YORK: MCGRAW HILL. 1996.