Gaya APA
Naylor, Helen, Murphy, Raymond. (2007).
Essential grammar in use CD-ROM user's guide .
Cambridge:
Cambridge University Press.
Gaya Chicago
Naylor, Helen, Murphy, Raymond.
Essential grammar in use CD-ROM user's guide.
Cambridge:
Cambridge University Press,
2007.
Text.
Gaya MLA
Naylor, Helen, Murphy, Raymond.
Essential grammar in use CD-ROM user's guide.
Cambridge:
Cambridge University Press,
2007.
Text.
Gaya Turabian
Naylor, Helen, Murphy, Raymond.
Essential grammar in use CD-ROM user's guide.
Cambridge:
Cambridge University Press,
2007.
Print.