Dyfyniad APA

(1976). Directory of engineering education institutions. Unesco.

Dyfyniad Arddull Chicago

Directory of Engineering Education Institutions. Paris: Unesco, 1976.

Dyfyniad MLA

Directory of Engineering Education Institutions. Unesco, 1976.

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