Costa, A. L., & Kallick, B. (2004). Assessment strategies for self-directed learning. Corwin Press.
Cita Chicago (17th ed.)Costa, Arthur L., i Bena Kallick. Assessment Strategies for Self-directed Learning. Thousand Oaks, Calif: Corwin Press, 2004.
Cita MLA (9th ed.)Costa, Arthur L., i Bena Kallick. Assessment Strategies for Self-directed Learning. Corwin Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.