Citazione Stile APA (7a Edizione)

MURPHY, R. (1993). Basic grammar in use: Reference and practice for stu-dents of english. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

MURPHY, Raymond. Basic Grammar in Use: Reference and Practice for Stu-dents of English. New York: Cambridge University Press, 1993.

Citatione MLA (9a ed.)

MURPHY, Raymond. Basic Grammar in Use: Reference and Practice for Stu-dents of English. Cambridge University Press, 1993.