Cita APA (7a ed.)

De Greene, K. B. (1993). A systems-based approach to policymaking. Kluwer.

Cita Chicago Style (17a ed.)

De Greene, Kenyon B. A Systems-based Approach to Policymaking. Boston [etc.]: Kluwer, 1993.

Cita MLA (9a ed.)

De Greene, Kenyon B. A Systems-based Approach to Policymaking. Kluwer, 1993.