Hoffer, J. A., Joey A. Hoffer, & Joseph S. George. (2008). Modern system analysis and design (5thed.). Prentice Hall.
Chicago-čujuhus (17. p.)Hoffer, Jeffrey A., Joey A. Hoffer, juo Joseph S. George. Modern System Analysis and Design. 5thed. Upper saddle River, New Jersey: Prentice Hall, 2008.
MLA-čujuhus (9. p.)Hoffer, Jeffrey A., et al. Modern System Analysis and Design. 5thed. Prentice Hall, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.