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 D: History : General and Old World ; part 2 : Index. Gale Research Inc.
Style de citation Chicago (17e éd.)United States. Library of Congress, Helen Savage, Kathleen D. Droste, et Rita Runshock. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class D: History : General and Old World ; Part 2 : Index. Detroit: Gale Research Inc, 1987.
Style de citation MLA (9e éd.)United States. Library of Congress, et al. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class D: History : General and Old World ; Part 2 : Index. Gale Research Inc, 1987.