Citação norma APA

Murphy, R. (2007). Essential grammar in use: A self-study reference and practice book for elementary students of English (with answers). Cambridge: Cambridge University Press.

Citação norma Chicago

Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English (with Answers). Cambridge: Cambridge University Press, 2007.

Citação norma MLA

Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English (with Answers). Cambridge: Cambridge University Press, 2007.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.