Cita APA (7a ed.)

Ashford, D. E., & Ashford, D. E. (1978). Comparing public policies: New concepts and methods. Sage yearbooks in politics and public policy.

Cita Chicago Style (17a ed.)

Ashford, Douglas Elliott, y Douglas E. Ashford. "Comparing Public Policies: New Concepts and Methods." Sage Yearbooks in Politics and Public Policy 1978.

Cita MLA (8a ed.)

Ashford, Douglas Elliott, y Douglas E. Ashford. "Comparing Public Policies: New Concepts and Methods." Sage Yearbooks in Politics and Public Policy, 1978.