Hawryskiewycz, I. (1998). Introduction to systems analysis and design (4th ed.). Sydney: Prentice Hall.
Παραπομπή Chicago StyleHawryskiewycz, Igor. Introduction to Systems Analysis and Design. 4th ed. Sydney: Prentice Hall, 1998.
Παραπομπή MLAHawryskiewycz, Igor. Introduction to Systems Analysis and Design. 4th ed. Sydney: Prentice Hall, 1998.
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