National Computer Security Conference Washington, National Institute of Standars and Technology, & National Computer Security Center (U.S.). (1990). 13th National Computer Security Conference: Omni Shoreham Hotel Washington, D.C. 1-4 October, 1990 Proceedings. [S.N.].
Παραπομπή σε μορφή Chicago (17η εκδ.)National Computer Security Conference Washington, National Institute of Standars and Technology, και National Computer Security Center (U.S.). 13th National Computer Security Conference: Omni Shoreham Hotel Washington, D.C. 1-4 October, 1990 Proceedings. [S.L.]: [S.N.], 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)National Computer Security Conference Washington, et al. 13th National Computer Security Conference: Omni Shoreham Hotel Washington, D.C. 1-4 October, 1990 Proceedings. [S.N.], 1990.