APA (7e ed.) Bronvermelding

Não informado. (2021). LC Classification, Additions and Changes. Library of Congress.

Chicago (17e ed.) Bronvermelding

Não informado. LC Classification, Additions and Changes. Washington: Library of Congress, 2021.

MLA (8e ed.) Bronvermelding

Não informado. LC Classification, Additions and Changes. Library of Congress, 2021.

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