Cita APA (7th ed.)

Oosterhof, A., Conrad, R., & Ely, D. P. (2008). Assessing learners online. Pearson/Merrill Prentice Hall.

Cita Chicago (17th ed.)

Oosterhof, Albert, Rita-Marie Conrad, i Donald P. Ely. Assessing Learners Online. Upper Saddle River, N.J: Pearson/Merrill Prentice Hall, 2008.

Cita MLA (9th ed.)

Oosterhof, Albert, et al. Assessing Learners Online. Pearson/Merrill Prentice Hall, 2008.