Cita APA (7a ed.)
Martin, C. F. (1988). User-centered requirements analysis. Prentice-Hall.
Cita Chicago Style (17a ed.)
Martin, Charles Fontaine. User-centered Requirements Analysis. Englewood Cliffs, N.J.: Prentice-Hall, 1988.
Cita MLA (9a ed.)
Martin, Charles Fontaine. User-centered Requirements Analysis. Prentice-Hall, 1988.
Precaución: Estas citas no son 100% exactas.