Troyka, L. Q. (2002). Simon & Schuster handbook for writers (Sixth edition.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Troyka, Lynn Quitman. Simon & Schuster Handbook for Writers. Sixth edition. Upper Saddle River, N.J.: Prentice Hall, 2002.
Lua MLA (8ú heag.)Troyka, Lynn Quitman. Simon & Schuster Handbook for Writers. Sixth edition. Prentice Hall, 2002.
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