Style de citation APA (7e éd.)

Kaufman, R. (2012). Uplifting service: The proven path to delighting your customers, colleagues, and everyone else you meet (NA.). Evolve Publishing.

Style de citation Chicago (17e éd.)

Kaufman, Ron. Uplifting Service: The Proven Path to Delighting Your Customers, Colleagues, and Everyone Else You Meet. NA. USA: Evolve Publishing, 2012.

Style de citation MLA (9e éd.)

Kaufman, Ron. Uplifting Service: The Proven Path to Delighting Your Customers, Colleagues, and Everyone Else You Meet. NA. Evolve Publishing, 2012.