Dyfyniad APA

Encylopedia... (1992). Encyclopedia of science and technology: Bor-Cle. Vol. III. Mc Graw-Hill.

Dyfyniad Arddull Chicago

Encylopedia... Encyclopedia of Science and Technology: Bor-Cle. Vol. III. Mc Graw-Hill, 1992.

Dyfyniad MLA

Encylopedia... Encyclopedia of Science and Technology: Bor-Cle. Vol. III. Mc Graw-Hill, 1992.

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