Citazione Stile APA (7a Edizione)

Hemphill, P. D. (1986). Business communications with writing improvement exercises (3d ed.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Hemphill, Phyllis Davis. Business Communications with Writing Improvement Exercises. 3d ed. New Jersey: Prentice-Hall, 1986.

Citatione MLA (9a ed.)

Hemphill, Phyllis Davis. Business Communications with Writing Improvement Exercises. 3d ed. Prentice-Hall, 1986.