Cita APA (7th ed.)

Esteves Mariño, M. E., González Laje, E. M., & Holguín Holguín, G. M. (2009). “Customer Relationship Management”.

Cita Chicago (17th ed.)

Esteves Mariño, Mario Enrique, Edigta Marina González Laje, i Gissella María Holguín Holguín. “Customer Relationship Management”. 2009.

Cita MLA (9th ed.)

Esteves Mariño, Mario Enrique, et al. “Customer Relationship Management”. 2009.