Langan, J. (1992). Ten steps to improving college reading skills (2nd ed.). Townsend Press.
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Chicago-čujuhus (17. p.)
Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. New Jersey: Townsend Press, 1992.
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MLA-čujuhus (9. p.)
Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. Townsend Press, 1992.
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