APA-viite (7. p.)

Capel, A., & Sharp, W. (2005). Objetive KET: Student´s book. Cambridge University Press.

Chicago-viite (17. p.)

Capel, Annette, ja Wendy Sharp. Objetive KET: Student´s Book. Cambridge: Cambridge University Press, 2005.

MLA-viite (9. p.)

Capel, Annette, ja Wendy Sharp. Objetive KET: Student´s Book. Cambridge University Press, 2005.