Dyfyniad APA

Parker, S. P. (1989). McGraw-Hill dictionary of scientific and technical terms (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Parker, Sybil P. McGraw-Hill Dictionary of Scientific and Technical Terms. 4th ed. New York: McGraw-Hill, 1989.

Dyfyniad MLA

Parker, Sybil P. McGraw-Hill Dictionary of Scientific and Technical Terms. 4th ed. McGraw-Hill, 1989.

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