Ong, W. J. (1980). Orality and Literacy Outline. Saint Louis University Libraries Digitization Center.
Chicago-viite (17. p.)Ong, Walter J. Orality and Literacy Outline. Saint Louis University Libraries Digitization Center, 1980.
MLA-viite (8. p.)Ong, Walter J. Orality and Literacy Outline. Saint Louis University Libraries Digitization Center, 1980.
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