एपीए उद्धरण

Paul, R. (2006). Critical thinking: Learn the tools the best thinkers use. New Jersey: Pearson Prentice Hall.

शिकागो स्टाइल उद्धरण

Paul, Richard. Critical Thinking: Learn the Tools the Best Thinkers Use. New Jersey: Pearson Prentice Hall, 2006.

एमएलए उद्धरण

Paul, Richard. Critical Thinking: Learn the Tools the Best Thinkers Use. New Jersey: Pearson Prentice Hall, 2006.