Penny A Kendall. (1987). Introduction to systems analysis and design: A structured approach. Boston, Massachusetts: Allyn and Bacon.
Chicago Style aipamenaPenny A Kendall. Introduction to Systems Analysis and Design: A Structured Approach. Boston, Massachusetts: Allyn and Bacon, 1987.
MLA aipamenaPenny A Kendall. Introduction to Systems Analysis and Design: A Structured Approach. Boston, Massachusetts: Allyn and Bacon, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.