CHACKO GEORGE K. (1979). MANAGEMENT INFORMATION SYSTEMS. PETROCELLI BOOKS.
Chicago-čujuhus (17. p.)CHACKO GEORGE K. MANAGEMENT INFORMATION SYSTEMS. NEW YORK: PETROCELLI BOOKS, 1979.
MLA-čujuhus (9. p.)CHACKO GEORGE K. MANAGEMENT INFORMATION SYSTEMS. PETROCELLI BOOKS, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.