Cita APA (7a ed.)

UK Online User Group State of Art Conference Bristol & Dorrington, L. F. (1987). Online information retrieval in practice: Proceedings of the 2nd UK Online User Group State of Art Conference,Bristol,1986. Taylor Graham.

Cita Chicago Style (17a ed.)

UK Online User Group State of Art Conference Bristol y L. F. Dorrington. Online Information Retrieval in Practice: Proceedings of the 2nd UK Online User Group State of Art Conference,Bristol,1986. London: Taylor Graham, 1987.

Cita MLA (9a ed.)

UK Online User Group State of Art Conference Bristol y L. F. Dorrington. Online Information Retrieval in Practice: Proceedings of the 2nd UK Online User Group State of Art Conference,Bristol,1986. Taylor Graham, 1987.