Cita APA (7a ed.)

Bell, C. R., & Zemke, R. (2013). Managing knock your socks off service (3rd ed.). AMACOM - American Management Association.

Cita Chicago Style (17a ed.)

Bell, Chip R., y Ron Zemke. Managing Knock Your Socks off Service. 3rd ed. New York: AMACOM - American Management Association, 2013.

Cita MLA (9a ed.)

Bell, Chip R., y Ron Zemke. Managing Knock Your Socks off Service. 3rd ed. AMACOM - American Management Association, 2013.