IFIP TC 2/WG 2.7 Working Conference on Engineering for Human-Computer Interaction Napa Valley, Calif, & Cockton, G. (1990). Engineering for human-computer interaction: Proceedings of the IFIP TC 2/WG 2.7 Working Conference on Engineering for Human-Computer Interaction, Napa Valley, California, U.S.A., 21-25 August, 1989. North-Holland ; Distributors for the United States and Canada, Elsevier Science Pub..
Παραπομπή σε μορφή Chicago (17η εκδ.)IFIP TC 2/WG 2.7 Working Conference on Engineering for Human-Computer Interaction Napa Valley, Calif, και G. Cockton. Engineering for Human-computer Interaction: Proceedings of the IFIP TC 2/WG 2.7 Working Conference on Engineering for Human-Computer Interaction, Napa Valley, California, U.S.A., 21-25 August, 1989. Amsterdam ; New York : New York, N.Y.: North-Holland ; Distributors for the United States and Canada, Elsevier Science Pub., 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)IFIP TC 2/WG 2.7 Working Conference on Engineering for Human-Computer Interaction Napa Valley, Calif, και G. Cockton. Engineering for Human-computer Interaction: Proceedings of the IFIP TC 2/WG 2.7 Working Conference on Engineering for Human-Computer Interaction, Napa Valley, California, U.S.A., 21-25 August, 1989. North-Holland ; Distributors for the United States and Canada, Elsevier Science Pub., 1990.