Simmons, E. M., & Strasser, G. (1973). Science and technology policies: Yesterday, today, and tomorrow. Ballinger Pub.
Lua i Stíl Chicago (17ú heag.)Simmons, Eugene M., agus Gabor Strasser. Science and Technology Policies: Yesterday, Today, and Tomorrow. Cambridge, Mass: Ballinger Pub, 1973.
Lua MLA (9ú heag.)Simmons, Eugene M., agus Gabor Strasser. Science and Technology Policies: Yesterday, Today, and Tomorrow. Ballinger Pub, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.