Hastings, H., & Saperstein, J. (2014). Service thinking: The seven principles to discover innovative opportunities (First edition.). Business Expert Press.
Cita Chicago (17th ed.)Hastings, Hunter, i Jeff Saperstein. Service Thinking: The Seven Principles to Discover Innovative Opportunities. First edition. New York: Business Expert Press, 2014.
Cita MLA (9th ed.)Hastings, Hunter, i Jeff Saperstein. Service Thinking: The Seven Principles to Discover Innovative Opportunities. First edition. Business Expert Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.