Lua APA (7ú heag.)
Warriner, J. E. (2009). Warriner's handbook: Sixth course (Teacher's ed.). Holt, Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)
Warriner, John E. Warriner's Handbook: Sixth Course. Teacher's ed. United States of America: Holt, Rinehart and Winston, 2009.
Lua MLA (9ú heag.)
Warriner, John E. Warriner's Handbook: Sixth Course. Teacher's ed. Holt, Rinehart and Winston, 2009.
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