Gaya APA
Murphy, R. (2012).
English Grammar in Use: A self-Study reference and Practice Book for Intermediate Learners of Nursing (4th.ed.).
New York:
Cambridge.
Gaya MLA
Murphy, Raymond.
"English Grammar in Use: A self-Study reference and Practice Book for Intermediate Learners of Nursing".
4th.ed.
New York:
Cambridge,
2012.
Text.