Dyfyniad APA

(1966). McGraw-Hill yearbook of science and technology. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

McGraw-Hill Yearbook of Science and Technology. New York: McGraw-Hill, 1966.

Dyfyniad MLA

McGraw-Hill Yearbook of Science and Technology. New York: McGraw-Hill, 1966.

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