United States. Library of Congress, Savage, H., Droste, K. D., & Runshock, R. (1987). Library of Congress classification schedules combined with additions and changes through 1986 Class A: General works. Gale Research Inc.
Chicago Style (17th ed.) CitationUnited States. Library of Congress, Helen Savage, Kathleen D. Droste, and Rita Runshock. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class A: General Works. Detroit: Gale Research Inc, 1987.
MLA引文United States. Library of Congress, et al. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class A: General Works. Gale Research Inc, 1987.
警告：這些引文格式不一定是100％准確.