Tryoka,Lynn Quitman. (1999). Simons and Schuster handbook for Writers (Fifth ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Tryoka,Lynn Quitman. Simons and Schuster Handbook for Writers. Fifth ed. New Jersey: Prentice Hall, 1999.
Lua MLA (9ú heag.)Tryoka,Lynn Quitman. Simons and Schuster Handbook for Writers. Fifth ed. Prentice Hall, 1999.
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