APA

Lea D., Bradbery J., Poole R. & Warren H. (2008). Oxford learner's thesaurus. New York: Oxford University Press.

Chicago

Lea Diana, Bradbery Jennifer, Poole Richard and Warren Helen. 2008. Oxford learner's thesaurus. New York: Oxford University Press.

Harvard

Lea D., Bradbery J., Poole R. and Warren H. (2008). Oxford learner's thesaurus. New York: Oxford University Press.

MLA

Lea Diana, Bradbery Jennifer, Poole Richard and Warren Helen. Oxford learner's thesaurus. New York: Oxford University Press. 2008.