United States Library of Congress. (1928). Classification. Class P, P-PA: Philology, linguistic, classical philology, classical literature. U. S. Government Printing Office.
Chicago (17e ed.) BronvermeldingUnited States Library of Congress. Classification. Class P, P-PA: Philology, Linguistic, Classical Philology, Classical Literature. Washington: U. S. Government Printing Office, 1928.
MLA (9e ed.) BronvermeldingUnited States Library of Congress. Classification. Class P, P-PA: Philology, Linguistic, Classical Philology, Classical Literature. U. S. Government Printing Office, 1928.
Let op: Deze citaties zijn niet altijd 100% accuraat.