Citazione Stile APA (7a Edizione)
Gallagher, R. S. (2008). What to say to a porcupine: 20 humorous tales that get to the heart of great customer service. American Management Association.
Citazione stile Chigago Style (17a edizione)
Gallagher, Richard S. What to Say to a Porcupine: 20 Humorous Tales That Get to the Heart of Great Customer Service. New York: American Management Association, 2008.
Citatione MLA (9a ed.)
Gallagher, Richard S. What to Say to a Porcupine: 20 Humorous Tales That Get to the Heart of Great Customer Service. American Management Association, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.