Lua APA (7ú heag.)

Thill, J. (2015). Excellence in business communication. Pearson.

Lua i Stíl Chicago (17ú heag.)

Thill, John. Excellence in Business Communication. Edinburgh: Pearson, 2015.

Lua MLA (9ú heag.)

Thill, John. Excellence in Business Communication. Pearson, 2015.

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