Lasswell, H. D. (1971). The policy orientation of political science. Lakshmi Narain Agarwal.
Lua i Stíl Chicago (17ú heag.)Lasswell, Harold D. The Policy Orientation of Political Science. Agra: Lakshmi Narain Agarwal, 1971.
Lua MLA (8ú heag.)Lasswell, Harold D. The Policy Orientation of Political Science. Lakshmi Narain Agarwal, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.