Lua APA (7ú heag.)
Morre,Brooke Noel, & Parker, R. (1998). Critical thinking (5th ed.). Mayfield publishing.
Lua i Stíl Chicago (17ú heag.)
Morre,Brooke Noel, agus Richard Parker. Critical Thinking. 5th ed. Califonia: Mayfield publishing, 1998.
Lua MLA (9ú heag.)
Morre,Brooke Noel, agus Richard Parker. Critical Thinking. 5th ed. Mayfield publishing, 1998.
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