Citazione Stile APA (7a Edizione)

United States. Library of Congress. (1990). Library of Congress classification schedules combined with additions and changes through 1989: Class K subclass KD Law of the United Kingdom and Ireland. Gale Research.

Citazione stile Chigago Style (17a edizione)

United States. Library of Congress. Library of Congress Classification Schedules Combined with Additions and Changes Through 1989: Class K Subclass KD Law of the United Kingdom and Ireland. Detroit: Gale Research, 1990.

Citatione MLA (9a ed.)

United States. Library of Congress. Library of Congress Classification Schedules Combined with Additions and Changes Through 1989: Class K Subclass KD Law of the United Kingdom and Ireland. Gale Research, 1990.