Dyfyniad APA
Merritt, R. H. (1969). Engineering in American society, 1850-1875. The University Press of Kentucky.
Dyfyniad Arddull Chicago
Merritt, Raymond H. Engineering in American Society, 1850-1875. Lexington, Kentucky: The University Press of Kentucky, 1969.
Dyfyniad MLA
Merritt, Raymond H. Engineering in American Society, 1850-1875. The University Press of Kentucky, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.