Williams, D. D. H. Online assessment, measurement and evaluation: Emerging practices.
Chicago-stil citatWilliams, David D. Howell. Online Assessment, Measurement and Evaluation: Emerging Practices.
MLA-referensWilliams, David D. Howell. Online Assessment, Measurement and Evaluation: Emerging Practices.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.