एपीए उद्धरण

Saperstein, J., & Hastings, H. (2014). Service Thinking: The Seven Principles to Discover Innovative Opportunities. Business Expert Press.

शिकागो स्टाइल उद्धरण

Saperstein, Jeff, और Hunter Hastings. Service Thinking: The Seven Principles to Discover Innovative Opportunities. Business Expert Press, 2014.

एमएलए उद्धरण

Saperstein, Jeff, और Hunter Hastings. Service Thinking: The Seven Principles to Discover Innovative Opportunities. Business Expert Press, 2014.