Walvoord, B. E. (2004). Assessmant clear and simple: A practical guide for institutions, departments, and general education. New York: Jossey- Bass.
Chicago-tyylinen lähdeviittausWalvoord, Barbara E. Assessmant Clear and Simple: A Practical Guide for Institutions, Departments, and General Education. New York: Jossey- Bass, 2004.
MLA-viiteWalvoord, Barbara E. Assessmant Clear and Simple: A Practical Guide for Institutions, Departments, and General Education. New York: Jossey- Bass, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.