Strunk, W., & White, E. B. (1999). The elements of style (4th ed.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Strunk, William, agus E. B. White. The Elements of Style. 4th ed. Boston: Allyn and Bacon, 1999.
Lua MLA (8ú heag.)Strunk, William, agus E. B. White. The Elements of Style. 4th ed. Allyn and Bacon, 1999.
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