Library of Congress. Subject Cataloging Division. (1982). Classification. Class P-PZ, language and literature tables. The Library For sale by the Cataloging Distribution Service, Library of Congress.
Citazione stile Chigago Style (17a edizione)Library of Congress. Subject Cataloging Division. Classification. Class P-PZ, Language and Literature Tables. Washington: The Library For sale by the Cataloging Distribution Service, Library of Congress, 1982.
Citatione MLA (9a ed.)Library of Congress. Subject Cataloging Division. Classification. Class P-PZ, Language and Literature Tables. The Library For sale by the Cataloging Distribution Service, Library of Congress, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.