Lua APA (7ú heag.)

Little, P. (1973). Oral and written communication. Longman.

Lua i Stíl Chicago (17ú heag.)

Little, Peter. Oral and Written Communication. London: Longman, 1973.

Lua MLA (9ú heag.)

Little, Peter. Oral and Written Communication. Longman, 1973.

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