APA Citatie

Roberts, L., & Lorena Roberts. (2001). Happy Street: Teacher's book. Oxford,New York: Oxford University Press.

Chicago Style citaat

Roberts, Lorena, en Lorena Roberts. Happy Street: Teacher's Book. Oxford,New York: Oxford University Press, 2001.

MLA citatie

Roberts, Lorena, en Lorena Roberts. Happy Street: Teacher's Book. Oxford,New York: Oxford University Press, 2001.

Let op: Deze citaties zijn niet altijd 100% accuraat.