Dyfyniad APA

Bird. (2010). Higher Engineering Mathematics 6th ed. Elsevier.

Dyfyniad Arddull Chicago

Bird. Higher Engineering Mathematics 6th Ed. Elsevier, 2010.

Dyfyniad MLA

Bird. Higher Engineering Mathematics 6th Ed. Elsevier, 2010.

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