APA সাইটেশন

Bowler, B., & Bill Bowler; Sue Parminter. (2003). Happy Earth: Class book. Oxford,New York: Oxford University Press.

শিকাগো স্টাইলে সাইটেশন

Bowler, Bill, এবং Bill Bowler; Sue Parminter. Happy Earth: Class Book. Oxford,New York: Oxford University Press, 2003.

এমএলএ সাইটেশন

Bowler, Bill, এবং Bill Bowler; Sue Parminter. Happy Earth: Class Book. Oxford,New York: Oxford University Press, 2003.