Citazione Stile APA (7a Edizione)

Fujishin, R. (2009). The natural speaker (6th ed.). Pearson/Allyn and Bacon.

Citazione stile Chigago Style (17a edizione)

Fujishin, Randy. The Natural Speaker. 6th ed. Boston, Mass: Pearson/Allyn and Bacon, 2009.

Citatione MLA (9a ed.)

Fujishin, Randy. The Natural Speaker. 6th ed. Pearson/Allyn and Bacon, 2009.