Cita APA (7th ed.)
Hale, J. A. (2012). Performance-based certification: How to design a valid, defensible, cost-effective program (2nd ed.). Pfeiffer.
Cita Chicago (17th ed.)
Hale, Judith A. Performance-based Certification: How to Design a Valid, Defensible, Cost-effective Program. 2nd ed. San Francisco: Pfeiffer, 2012.
Cita MLA (9th ed.)
Hale, Judith A. Performance-based Certification: How to Design a Valid, Defensible, Cost-effective Program. 2nd ed. Pfeiffer, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.