Cita APA

Sviokla, J. J., & Shapiro, B. P. (1993). Keeping customers (11th ed.). HBR.

Citación estilo Chicago

Sviokla, John J., and Benson P. Shapiro. Keeping Customers. 11th ed. HBR, 1993.

Cita MLA

Sviokla, John J., and Benson P. Shapiro. Keeping Customers. 11th ed. HBR, 1993.

Warning: These citations may not always be 100% accurate.