Bowler, B., & Bill Bowler; Sue Parminter. (2008). Happy Earth American english: Teacher's Book. Oxford,New York: Oxford University Press.
Trích dẫn kiểu ChicagoBowler, Bill, và Bill Bowler; Sue Parminter. Happy Earth American English: Teacher's Book. Oxford,New York: Oxford University Press, 2008.
MLA citiranjeBowler, Bill, và Bill Bowler; Sue Parminter. Happy Earth American English: Teacher's Book. Oxford,New York: Oxford University Press, 2008.
Opozorilo: Ti citati niso vedno 100% točni.