U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Runchock, R., & Droste, K. (1989). Class J. Political science: Library of Congress classification schedules combined with additions and changes through 1988. Gale Research Inc.
Citazione stile Chigago Style (17a edizione)U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Rita Runchock, e Kathleen Droste. Class J. Political Science: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Detroit, Michigan: Gale Research Inc, 1989.
Citatione MLA (9a ed.)U.S. Library of Congress. Subject Cataloging Division, et al. Class J. Political Science: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Gale Research Inc, 1989.