Murphy, R. (2001). Essential grammar in use: A self-study reference and practice book for elementary students of English,With answers. Hà Nội: Thống kê.
Citação norma ChicagoMurphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English,With Answers. Hà Nội: Thống kê, 2001.
Citação norma MLAMurphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English,With Answers. Hà Nội: Thống kê, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.