Bruce, R. V. (1987). The launching of modern American science. New York: Alfred A. Knopf.
Dyfyniad Arddull ChicagoBruce, Robert V. The Launching of Modern American Science. New York: Alfred A. Knopf, 1987.
Dyfyniad MLABruce, Robert V. The Launching of Modern American Science. New York: Alfred A. Knopf, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.