HERMAN, W. The portable english handbook: Index to grammar, usage, and the research paper.-- ed.2. Holt.
Lua i Stíl Chicago (17ú heag.)HERMAN, William. The Portable English Handbook: Index to Grammar, Usage, and the Research Paper.-- Ed.2. New York: Holt.
Lua MLA (9ú heag.)HERMAN, William. The Portable English Handbook: Index to Grammar, Usage, and the Research Paper.-- Ed.2. Holt.
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