Cita APA (7th ed.)

Sahanaya, W., Lindeck, J., & Stewart , R. (2002). Preparation and Practice: Listening and speaking (2nd.).

Cita Chicago (17th ed.)

Sahanaya, Wendy, Jeremy Lindeck, i Richard Stewart. Preparation and Practice: Listening and Speaking. 2nd. Singapore : Oxford University Press, 2002.

Cita MLA (9th ed.)

Sahanaya, Wendy, et al. Preparation and Practice: Listening and Speaking. 2nd. 2002.