Dyfyniad APA

Eastwood, B. (1979). Directory of audio-visual sources: History of science, medicine, and technology. Science History Publications.

Dyfyniad Arddull Chicago

Eastwood, Bruce. Directory of Audio-visual Sources: History of Science, Medicine, and Technology. New York: Science History Publications, 1979.

Dyfyniad MLA

Eastwood, Bruce. Directory of Audio-visual Sources: History of Science, Medicine, and Technology. Science History Publications, 1979.

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