IFIP TC 2/WG 2.6 Working Conference on Visual Database Systems, & Kunii, T. L. (1989). Visual database systems: Proceedings of the IFIP TC 2/WG 2.6 Working Conference on Visual Database Systems, Tokyo, Japan, 3-7 April, 1989. Amsterdam: North-Holland.
Παραπομπή Chicago StyleIFIP TC 2/WG 2.6 Working Conference on Visual Database Systems, and Tosiyasu L. Kunii. Visual Database Systems: Proceedings of the IFIP TC 2/WG 2.6 Working Conference On Visual Database Systems, Tokyo, Japan, 3-7 April, 1989. Amsterdam: North-Holland, 1989.
Παραπομπή MLAIFIP TC 2/WG 2.6 Working Conference on Visual Database Systems, and Tosiyasu L. Kunii. Visual Database Systems: Proceedings of the IFIP TC 2/WG 2.6 Working Conference On Visual Database Systems, Tokyo, Japan, 3-7 April, 1989. Amsterdam: North-Holland, 1989.