Cita APA (7a ed.)

Bawden, D. (1990). User-oriented evaluation of information systems and services. Gower.

Cita Chicago Style (17a ed.)

Bawden, David. User-oriented Evaluation of Information Systems and Services. Aldershot [etc.]: Gower, 1990.

Cita MLA (9a ed.)

Bawden, David. User-oriented Evaluation of Information Systems and Services. Gower, 1990.