Gaya APA
MURPHY, R. (1998).
English Grammar in Use: a Reference and Practice Book for Intermediate Students (2nd ed., 7th printing).
New York:
Cambridge University Press.
Gaya MLA
MURPHY, Raymond.
"English Grammar in Use: a Reference and Practice Book for Intermediate Students".
2nd ed., 7th printing
New York:
Cambridge University Press,
1998.
Text.