Gale Research Inc. (2007). Super LCCS: Gale's Library of Congress classification schedules : combined with additions and changes through 2006. Thomson Gale.
Цитирование в стиле Чикаго (17-е изд.)Gale Research Inc. Super LCCS: Gale's Library of Congress Classification Schedules : Combined with Additions and Changes Through 2006. Detroit: Thomson Gale, 2007.
Цитирование MLA (9-е изд.)Gale Research Inc. Super LCCS: Gale's Library of Congress Classification Schedules : Combined with Additions and Changes Through 2006. Thomson Gale, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.