Παραπομπή σε μορφή APA (7η εκδ.)

U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Runchock, R., & Droste, K. (1989). Class T. Technology: Library of Congress classification schedules combined with additions and changes through 1988. Gale Research Inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Rita Runchock, και Kathleen Droste. Class T. Technology: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Detroit, Michigan: Gale Research Inc, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

U.S. Library of Congress. Subject Cataloging Division, et al. Class T. Technology: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Gale Research Inc, 1989.