Dyfyniad APA

Roller, D. H. D. (1971). Perspectives in the history of science and technology ([1st ed.].). University of Oklahoma Press.

Dyfyniad Arddull Chicago

Roller, Duane H. D. Perspectives in the History of Science and Technology. [1st ed.]. Norman: University of Oklahoma Press, 1971.

Dyfyniad MLA

Roller, Duane H. D. Perspectives in the History of Science and Technology. [1st ed.]. University of Oklahoma Press, 1971.

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