Citace podle APA (7th ed.)

Ong, W. J. (1929). File 1: Alphabetized Card and Ephemera Files, No Date. Saint Louis University Libraries Digitization Center.

Citace podle Chicago (17th ed.)

Ong, Walter J. File 1: Alphabetized Card and Ephemera Files, No Date. Saint Louis University Libraries Digitization Center, 1929.

Citace podle MLA (8th ed.)

Ong, Walter J. File 1: Alphabetized Card and Ephemera Files, No Date. Saint Louis University Libraries Digitization Center, 1929.

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