Ewell, P. T., & Jones, D. P. (1985). The costs of assessment. National Center for Higher Education Management Systems.
Cita Chicago (17th ed.)Ewell, Peter T., i Dennis P. Jones. The Costs of Assessment. Boulder, Colo.: National Center for Higher Education Management Systems, 1985.
Cita MLA (8th ed.)Ewell, Peter T., i Dennis P. Jones. The Costs of Assessment. National Center for Higher Education Management Systems, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.