Bowler, B., & Bill Bowler; Sue Parminter. (2003). Happy Earth: Teacher's Book. Oxford,New York: Oxford University Press.
Trích dẫn kiểu ChicagoBowler, Bill, và Bill Bowler; Sue Parminter. Happy Earth: Teacher's Book. Oxford,New York: Oxford University Press, 2003.
MLA citiranjeBowler, Bill, và Bill Bowler; Sue Parminter. Happy Earth: Teacher's Book. Oxford,New York: Oxford University Press, 2003.
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