APA-Zitierstil (7. Ausg.)

Allen, B. L. (1996). Information tasks: Toward a user centered approach to information systems. Acad. Press.

Chicago-Zitierstil (17. Ausg.)

Allen, Bryce L. Information Tasks: Toward a User Centered Approach to Information Systems. San Diego [u.a.]: Acad. Press, 1996.

MLA-Zitierstil (9. Ausg.)

Allen, Bryce L. Information Tasks: Toward a User Centered Approach to Information Systems. Acad. Press, 1996.