Simmons, E. M., & Strasser, G. (1973). Science and technology policies: Yesterday, today, and tomorrow. Ballinger Pub.
Dyfyniad Arddull ChicagoSimmons, Eugene M., and Gabor Strasser. Science and Technology Policies: Yesterday, Today, and Tomorrow. Cambridge, Mass: Ballinger Pub, 1973.
Dyfyniad MLASimmons, Eugene M., and Gabor Strasser. Science and Technology Policies: Yesterday, Today, and Tomorrow. Ballinger Pub, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.