Cita APA (7th ed.)

Klein, S. B. (2012). Learning principles and applications (6th ed.). Sage.

Cita Chicago (17th ed.)

Klein, Stephen B. Learning Principles and Applications. 6th ed. Los Angeles: Sage, 2012.

Cita MLA (9th ed.)

Klein, Stephen B. Learning Principles and Applications. 6th ed. Sage, 2012.