Gaya APA

A.D., E., D.P.G, W. (2005). Investigating Classroom Talks (Edisi 2). London: USA The Falmer Press, Taylor & Francis Inc.

Gaya MLA

A.D., Edwards., D.P.G, Westgate. "Investigating Classroom Talks". Edisi 2 London: USA The Falmer Press, Taylor & Francis Inc, 2005. .