Mamchak, P. S. (1986). Coach's public speaking portfolio: With model speeches and anecdotes. Parker Pub.
Lua i Stíl Chicago (17ú heag.)Mamchak, P. Susan. Coach's Public Speaking Portfolio: With Model Speeches and Anecdotes. West Nyack, New York: Parker Pub, 1986.
Lua MLA (9ú heag.)Mamchak, P. Susan. Coach's Public Speaking Portfolio: With Model Speeches and Anecdotes. Parker Pub, 1986.
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