Kaden, R. J., Linda, G., & Levinson, J. C. (2010). More Guerrilla Marketing Research: Asking the right people, the right questions, the right way and effectively using the answers to make more money. Kogan Page Limited.

Kaden, Robert J., Gerald Linda, and Jay Conrad Levinson. More Guerrilla Marketing Research: Asking the Right People, the Right Questions, the Right Way and Effectively Using the Answers to Make More Money. London: Kogan Page Limited, 2010.

Kaden, Robert J., et al. More Guerrilla Marketing Research: Asking the Right People, the Right Questions, the Right Way and Effectively Using the Answers to Make More Money. Kogan Page Limited, 2010.