Szuchman, L. T. (2008). Writing with style: APA style made easy (4th ed.). Thomson/Wadsworth.
Lua i Stíl Chicago (17ú heag.)Szuchman, Lenore T. Writing with Style: APA Style Made Easy. 4th ed. Australia, Belmont, CA: Thomson/Wadsworth, 2008.
Lua MLA (9ú heag.)Szuchman, Lenore T. Writing with Style: APA Style Made Easy. 4th ed. Thomson/Wadsworth, 2008.
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