U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Runchock, R., & Droste, K. (1989). Class P, subclass PT, Part 1. German literature: Library of Congress classification schedules combined with additions and changes through 1988. Gale Research Inc.
Style de citation Chicago (17e éd.)U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Rita Runchock, et Kathleen Droste. Class P, Subclass PT, Part 1. German Literature: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Detroit, Michigan: Gale Research Inc, 1989.
Style de citation MLA (9e éd.)U.S. Library of Congress. Subject Cataloging Division, et al. Class P, Subclass PT, Part 1. German Literature: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Gale Research Inc, 1989.