Patton, C. V., & Sawicki, D. S. (1993). Basic methods of policy analysis and planning (2nd ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Patton, Carl V., agus David S. Sawicki. Basic Methods of Policy Analysis and Planning. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1993.
Lua MLA (9ú heag.)Patton, Carl V., agus David S. Sawicki. Basic Methods of Policy Analysis and Planning. 2nd ed. Prentice-Hall, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.