APA (7th ed.) Zitazioa
Clifford, S. H., Sawyer, S. C., & Stallings, W. D. (1990). Computers: The user perspective (2nd ed.). Irwin.
Chicago Style (17th ed.) Zitazioa
Clifford, Sarah Hutchinson, Stacey C. Sawyer, eta Warren D. Stallings. Computers: The User Perspective. 2nd ed. Homewood, IL: Irwin, 1990.
MLA (9th ed.) Zitazioa
Clifford, Sarah Hutchinson, et al. Computers: The User Perspective. 2nd ed. Irwin, 1990.
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