APA (7e ed.) Bronvermelding

United States. Library of Congress. Processing Services. (1980). Library of congress filing rules. Library of Congress.

Chicago (17e ed.) Bronvermelding

United States. Library of Congress. Processing Services. Library of Congress Filing Rules. Washington: Library of Congress, 1980.

MLA (9e ed.) Bronvermelding

United States. Library of Congress. Processing Services. Library of Congress Filing Rules. Library of Congress, 1980.

Let op: Deze citaties zijn niet altijd 100% accuraat.