Dyfyniad APA

Smith, B. L. R. (1990). American science policy since world war II. Washington, D.C: The Brookings Institution.

Dyfyniad Arddull Chicago

Smith, Bruce L. R. American Science Policy Since World War II. Washington, D.C: The Brookings Institution, 1990.

Dyfyniad MLA

Smith, Bruce L. R. American Science Policy Since World War II. Washington, D.C: The Brookings Institution, 1990.

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