Citazione Stile APA (7a Edizione)

Naunton J. Jon. (2001). Head for Business. Intermediate: Teacher's Book. New York, Oxford University Press, 2001.

Citazione stile Chigago Style (17a edizione)

Naunton J. Jon. Head for Business. Intermediate: Teacher's Book. New York, Oxford University Press, 2001, 2001.

Citatione MLA (9a ed.)

Naunton J. Jon. Head for Business. Intermediate: Teacher's Book. New York, Oxford University Press, 2001, 2001.