Adams, W. R. (1993). Developing reading versatility (6th ed.). Harcourt brace.
Lua i Stíl Chicago (17ú heag.)Adams, W. Royce. Developing Reading Versatility. 6th ed. Fort Worth: Harcourt brace, 1993.
Lua MLA (9ú heag.)Adams, W. Royce. Developing Reading Versatility. 6th ed. Harcourt brace, 1993.
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