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.
Цитирование в стиле Чикаго (17-е изд.)United States. Library of Congress, Helen Savage, Kathleen D. Droste, и Rita Runshock. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class A: General Works. Detroit: Gale Research Inc, 1987.
Цитирование MLA (9-е изд.)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.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.