Kendall, K. E. (1992). System Analysis And Design Kenneth E. Kendall; Julie E. Kendall. Prentice - Hall.
Lua i Stíl Chicago (17ú heag.)Kendall, Kenneth E. System Analysis And Design Kenneth E. Kendall; Julie E. Kendall. Prentice - Hall, 1992.
Lua MLA (8ú heag.)Kendall, Kenneth E. System Analysis And Design Kenneth E. Kendall; Julie E. Kendall. Prentice - Hall, 1992.
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