Cita APA (7a ed.)

Zemke, R., & Williamson, B. H. (2001). Delivering knock your socks off service (1st edition.). American Management Association.

Cita Chicago Style (17a ed.)

Zemke, Ron, y Bobette Hayes Williamson. Delivering Knock Your Socks off Service. 1st edition. [Saranac Lake, N.Y.]: American Management Association, 2001.

Cita MLA (9a ed.)

Zemke, Ron, y Bobette Hayes Williamson. Delivering Knock Your Socks off Service. 1st edition. American Management Association, 2001.