APA (7e ed.) Bronvermelding
Clifford, S. H., Sawyer, S. C., & Stallings, W. D. (1990). Computers: The user perspective (2nd ed.). Irwin.
Chicago (17e ed.) Bronvermelding
Clifford, Sarah Hutchinson, Stacey C. Sawyer, en Warren D. Stallings. Computers: The User Perspective. 2nd ed. Homewood, IL: Irwin, 1990.
MLA (9e ed.) Bronvermelding
Clifford, Sarah Hutchinson, et al. Computers: The User Perspective. 2nd ed. Irwin, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.