Cita APA (7a ed.)

Rymniak, M. J., & Shanks, J. (2000). TOEFL Workbook. Kaplan.

Cita Chicago Style (17a ed.)

Rymniak, Marilyn J., y Janet Shanks. TOEFL Workbook. New York: Kaplan, 2000.

Cita MLA (9a ed.)

Rymniak, Marilyn J., y Janet Shanks. TOEFL Workbook. Kaplan, 2000.