Hacker, D. (2004). A pocket style manual: Clarity, grammar, punctuation and mechanics, research, MLA, APA, Chicago, usage/grammatical terms (4th ed.). Bedford/St. Martin's.
Lua i Stíl Chicago (17ú heag.)Hacker, Diana. A Pocket Style Manual: Clarity, Grammar, Punctuation and Mechanics, Research, MLA, APA, Chicago, Usage/grammatical Terms. 4th ed. Boston, MA: Bedford/St. Martin's, 2004.
Lua MLA (9ú heag.)Hacker, Diana. A Pocket Style Manual: Clarity, Grammar, Punctuation and Mechanics, Research, MLA, APA, Chicago, Usage/grammatical Terms. 4th ed. Bedford/St. Martin's, 2004.
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