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.