O'Brien, J. A. (1921). Silent reading, with special reference to methods for developing speed: A study in the psychology and pedagogy of reading. The Macmillan company.
Citace podle Chicago (17th ed.)O'Brien, John A. Silent Reading, with Special Reference to Methods for Developing Speed: A Study in the Psychology and Pedagogy of Reading. New York: The Macmillan company, 1921.
Citace podle MLA (8th ed.)O'Brien, John A. Silent Reading, with Special Reference to Methods for Developing Speed: A Study in the Psychology and Pedagogy of Reading. The Macmillan company, 1921.
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