Harlen, W. (2007). Assessment of learning. SAGE Publications.
Lua i Stíl Chicago (17ú heag.)Harlen, Wynne. Assessment of Learning. Los Angeles, CA: SAGE Publications, 2007.
Lua MLA (8ú heag.)Harlen, Wynne. Assessment of Learning. SAGE Publications, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.