Cita APA (7th ed.)

Policy Studies Organization, Calista, D. J., & Palumbo, D. J. (1990). Implementation and the policy process: Opening up the black box. Greenwood Press.

Cita Chicago (17th ed.)

Policy Studies Organization, Donald J. Calista, i Dennis James Palumbo. Implementation and the Policy Process: Opening Up the Black Box. New York: Greenwood Press, 1990.

Cita MLA (9th ed.)

Policy Studies Organization, et al. Implementation and the Policy Process: Opening Up the Black Box. Greenwood Press, 1990.