Citazione Stile APA (7a Edizione)

Murphy, H. (1972). Effective Business communications. McGraw Hill.

Citazione stile Chigago Style (17a edizione)

Murphy, H. Effective Business Communications. New York: McGraw Hill, 1972.

Citatione MLA (9a ed.)

Murphy, H. Effective Business Communications. McGraw Hill, 1972.