Cita APA (7a ed.)

Brooks, L. L., & Owen, R. (2009). Answering the ultimate question: How Net Promoter can transform your business. Jossey-Bass.

Cita Chicago Style (17a ed.)

Brooks, Laura L., y Richard Owen. Answering the Ultimate Question: How Net Promoter Can Transform Your Business. San Francisco, CA: Jossey-Bass, 2009.

Cita MLA (9a ed.)

Brooks, Laura L., y Richard Owen. Answering the Ultimate Question: How Net Promoter Can Transform Your Business. Jossey-Bass, 2009.