Rymniak, M. J., & Shanks, J. (2000). TOEFL Workbook. Kaplan.
Citación estilo ChicagoRymniak, Marilyn J., and Janet Shanks. TOEFL Workbook. New York: Kaplan, 2000.
Cita MLARymniak, Marilyn J., and Janet Shanks. TOEFL Workbook. Kaplan, 2000.
Warning: These citations may not always be 100% accurate.