APA (7e ed.) Bronvermelding

U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Runchock, R., & Droste, K. (1989). Class P, subclass PQ, part 2. Italian, Spanish, and Portuguese literatures: Library of Congress classification schedules combined with additions and changes through 1988. Gale Research Inc.

Chicago (17e ed.) Bronvermelding

U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Rita Runchock, en Kathleen Droste. Class P, Subclass PQ, Part 2. Italian, Spanish, and Portuguese Literatures: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Detroit, Michigan: Gale Research Inc, 1989.

MLA (9e ed.) Bronvermelding

U.S. Library of Congress. Subject Cataloging Division, et al. Class P, Subclass PQ, Part 2. Italian, Spanish, and Portuguese Literatures: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Gale Research Inc, 1989.