Cita APA (7th ed.)

Hutchinson, S. E. (1990). Computers: The user perspective (2nd.ed.). Irwin.

Cita Chicago (17th ed.)

Hutchinson, Sarah E. Computers: The User Perspective. 2nd.ed. Homewood: Irwin, 1990.

Cita MLA (9th ed.)

Hutchinson, Sarah E. Computers: The User Perspective. 2nd.ed. Irwin, 1990.