Dyfyniad APA

Bromley, D. A. (1994). The president's scientists. New York: Yale university press.

Dyfyniad Arddull Chicago

Bromley, D. Allan. The President's Scientists. New York: Yale university press, 1994.

Dyfyniad MLA

Bromley, D. Allan. The President's Scientists. New York: Yale university press, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.