Olson, N. Cataloging Microcomputer Software. Englewood: Libraries Unlimited, Inc., 1988 268 с. сн. 0-87287-513-X.
Olson, N. Cataloging Microcomputer Software. Englewood: Libraries Unlimited, Inc., 1988 268 с. сн. 0-87287-513-X.
Olson, N. (1988) Cataloging Microcomputer Software, Englewood: Libraries Unlimited, Inc. 268 с. сн. 0-87287-513-X.
Olson, N. (1988). Cataloging Microcomputer Software. A Manual to Accompany AACR2, Chapter9, Computer Files. Englewood: Libraries Unlimited, Inc., 268 с. сн.
Olson N. Cataloging Microcomputer Software: A Manual to Accompany AACR2, Chapter9, Computer Files. Englewood: Libraries Unlimited, Inc.; 1988. p. 268 с. сн. ISBN: 0-87287-513-X.