Lua APA (7ú heag.)
Sayer, J. E. (1980). Argumentation and debate: Principles and applications. Alfred Pub. Co..
Lua i Stíl Chicago (17ú heag.)
Sayer, James Edward. Argumentation and Debate: Principles and Applications. Sherman Oaks, CA: Alfred Pub. Co., 1980.
Lua MLA (9ú heag.)
Sayer, James Edward. Argumentation and Debate: Principles and Applications. Alfred Pub. Co., 1980.
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