APA način citiranja

Bowler, B., & Bill Bowler; Sue Parminter. (2002). Happy Earth: Teacher's Book 1. Oxford,New York: Oxford University Press.

Čikaški stil citiranja

Bowler, Bill, i Bill Bowler; Sue Parminter. Happy Earth: Teacher's Book 1. Oxford,New York: Oxford University Press, 2002.

MLA način citiranja

Bowler, Bill, i Bill Bowler; Sue Parminter. Happy Earth: Teacher's Book 1. Oxford,New York: Oxford University Press, 2002.

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