APA (7th ed.) Zitazioa
Paul, R. W., & Elder, L. Critical Thinking: Tools for Taking Charge of your Learning and your Life. Prentice-Hall.
Chicago Style (17th ed.) Zitazioa
Paul, Richard W., eta Linda Elder. Critical Thinking: Tools for Taking Charge of Your Learning and Your Life. Upper Saddle River, EUA: Prentice-Hall.
MLA (9th ed.) Zitazioa
Paul, Richard W., eta Linda Elder. Critical Thinking: Tools for Taking Charge of Your Learning and Your Life. Prentice-Hall.
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