McPhail, S. M. (2007). Alternative validation strategies: Developing new and leveraging existing validity evidence. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)McPhail, S. Morton. Alternative Validation Strategies: Developing New and Leveraging Existing Validity Evidence. San Francisco: Jossey-Bass, 2007.
Lua MLA (8ú heag.)McPhail, S. Morton. Alternative Validation Strategies: Developing New and Leveraging Existing Validity Evidence. Jossey-Bass, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.