Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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