Lua APA (7ú heag.)

Gregory, H. (1999). Public speaking for college and career (5th.ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. Boston: McGraw-Hill, 1999.

Lua MLA (9ú heag.)

Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. McGraw-Hill, 1999.

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