Naunton, J., & Clark, P. (2000). Clockwise: Upper - intermediate : Teacher's book. New York: Oxford University Press.
Chicago Style citaatNaunton, Jon., en Paul Clark. Clockwise: Upper - Intermediate : Teacher's Book. New York: Oxford University Press, 2000.
MLA citatieNaunton, Jon., en Paul Clark. Clockwise: Upper - Intermediate : Teacher's Book. New York: Oxford University Press, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.