Gaya APA
Murhpy, R. (1994).
English Grammar in Use: A reference and practice book for intermediate student (ed. 2).
Cambrige:
Cambridge University Press.
Gaya MLA
Murhpy, Raymond.
"English Grammar in Use: A reference and practice book for intermediate student".
ed. 2
Cambrige:
Cambridge University Press,
1994.
Text.