Gaya APA

Annette, C., Wendy, S. (2005). Objective Ket: Student's Book (Cet. 1). United Kingdom: Camidge University Press.

Gaya MLA

Annette, Capel., Wendy, Sharp. "Objective Ket: Student's Book". Cet. 1 United Kingdom: Camidge University Press, 2005. Text.