Ong, W. J. (1980). Orality and Literacy Outline. Saint Louis University Libraries Digitization Center.
Chicago Style (17. basım) AtıfOng, Walter J. Orality and Literacy Outline. Saint Louis University Libraries Digitization Center, 1980.
MLA (8th ed.) AtıfOng, Walter J. Orality and Literacy Outline. Saint Louis University Libraries Digitization Center, 1980.
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