APA引文

Putt, A. D., & Springer, J. F. (1989). Policy research: Concepts, methods and applications. Prentice Hall.

Chicago Style (17th ed.) Citation

Putt, Allen D., and J. Fred Springer. Policy Research: Concepts, Methods and Applications. Englewood Cliffs, N.Y: Prentice Hall, 1989.

MLA引文

Putt, Allen D., and J. Fred Springer. Policy Research: Concepts, Methods and Applications. Prentice Hall, 1989.