MEYER MICHAEL. (1985). LITTLE BROWN GUIDE TO WRITING RESEARCH PAPERS (2ND.). LITTLE BROWN AND COMPANY.
Lua i Stíl Chicago (17ú heag.)MEYER MICHAEL. LITTLE BROWN GUIDE TO WRITING RESEARCH PAPERS. 2ND. TORONTO: LITTLE BROWN AND COMPANY, 1985.
Lua MLA (9ú heag.)MEYER MICHAEL. LITTLE BROWN GUIDE TO WRITING RESEARCH PAPERS. 2ND. LITTLE BROWN AND COMPANY, 1985.
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