Dyfyniad APA

McGraw-Hill encyclopedia of science and technology. (1962). McGraw-Hill yearbook of science and technology. McGraw-Hill Book co.

Dyfyniad Arddull Chicago

McGraw-Hill encyclopedia of science and technology. McGraw-Hill Yearbook of Science and Technology. New York: McGraw-Hill Book co, 1962.

Dyfyniad MLA

McGraw-Hill encyclopedia of science and technology. McGraw-Hill Yearbook of Science and Technology. McGraw-Hill Book co, 1962.

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