Dyfyniad APA

(1982). McGraw-Hill Encyclopedia of science and: Technology : an international reference work in fifteen volumes including an index (5th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

McGraw-Hill Encyclopedia of Science and: Technology : An International Reference Work in Fifteen Volumes Including an Index. 5th ed. New York: McGraw-Hill, 1982.

Dyfyniad MLA

McGraw-Hill Encyclopedia of Science and: Technology : An International Reference Work in Fifteen Volumes Including an Index. 5th ed. McGraw-Hill, 1982.

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