Cita APA (7th ed.)
Swartz, R. J., & Perkins, D. N. (1990). Teaching Thinking: Issues and Approaches.
Cita Chicago (17th ed.)
Swartz, Robert J., i David N. Perkins. Teaching Thinking: Issues and Approaches. 1990.
Cita MLA (9th ed.)
Swartz, Robert J., i David N. Perkins. Teaching Thinking: Issues and Approaches. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.