Kraemer, K. L., & King, J. L. (1977). Laissez innover. Public Policy Research Organization.
Lua i Stíl Chicago (17ú heag.)Kraemer, Kenneth L., agus John Leslie King. Laissez Innover. Irvine, Calif.: Public Policy Research Organization, 1977.
Lua MLA (8ú heag.)Kraemer, Kenneth L., agus John Leslie King. Laissez Innover. Public Policy Research Organization, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.