Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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