Dyfyniad APA

Roberts, L., & Lorena Roberts. (2001). Happy House: Teacher's Book. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Roberts, Lorena, và Lorena Roberts. Happy House: Teacher's Book. Oxford: Oxford University Press, 2001.

Dyfyniad MLA

Roberts, Lorena, và Lorena Roberts. Happy House: Teacher's Book. Oxford: Oxford University Press, 2001.

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