Porter, B. F., & Burton F. Porter. (2002). The: Fundamentals of critical thinking. New York: Oxford University Press.
Chicago Style CitationPorter, Burton F., i Burton F. Porter. The: Fundamentals of Critical Thinking. New York: Oxford University Press, 2002.
Cita MLAPorter, Burton F., i Burton F. Porter. The: Fundamentals of Critical Thinking. New York: Oxford University Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.