Dyfyniad APA

(1960). McGraw-Hill encyclopedia of science and technology: An international reference work in fifteen volumes including an index. McGraw-Hill.

Dyfyniad Arddull Chicago

McGraw-Hill Encyclopedia of Science and Technology: An International Reference Work in Fifteen Volumes Including an Index. New York: McGraw-Hill, 1960.

Dyfyniad MLA

McGraw-Hill Encyclopedia of Science and Technology: An International Reference Work in Fifteen Volumes Including an Index. McGraw-Hill, 1960.

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