Citazione Stile APA (7a Edizione)

Harris, M. (2003). Prentice Hall reference guide to grammar and usage (5th ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Harris, Muriel. Prentice Hall Reference Guide to Grammar and Usage. 5th ed. Upper Saddle River, N.J: Prentice Hall, 2003.

Citatione MLA (9a ed.)

Harris, Muriel. Prentice Hall Reference Guide to Grammar and Usage. 5th ed. Prentice Hall, 2003.