APA (7th ed.) Zitazioa
Martin, C. F. (1988). User-centered requirements analysis. Prentice-Hall.
Chicago Style (17th ed.) Zitazioa
Martin, Charles Fontaine. User-centered Requirements Analysis. Englewood Cliffs, N.J.: Prentice-Hall, 1988.
MLA (9th ed.) Zitazioa
Martin, Charles Fontaine. User-centered Requirements Analysis. Prentice-Hall, 1988.
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