Cita APA (7th ed.)

Browne, M., & Keeley, S. (1990). Asking the right questions: A guide to critical thinking (3rd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Browne, M.Neil, i Stuart.M Keeley. Asking the Right Questions: A Guide to Critical Thinking. 3rd ed. Englewood Cliffs: Prentice Hall, 1990.

Cita MLA (9th ed.)

Browne, M.Neil, i Stuart.M Keeley. Asking the Right Questions: A Guide to Critical Thinking. 3rd ed. Prentice Hall, 1990.