Van Horn, R. L., Schwarzkopf, A. B., & Price, R. L. (2006). Information systems solutions: A project approach. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Van Horn, Richard L., Albert B. Schwarzkopf, agus R. Leon Price. Information Systems Solutions: A Project Approach. Boston, MA: McGraw-Hill, 2006.
Lua MLA (9ú heag.)Van Horn, Richard L., et al. Information Systems Solutions: A Project Approach. McGraw-Hill, 2006.
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