Dyfyniad APA

(1980). Bibliography of doctoral dissertations 1978-79: Natural and applied sciences.

Dyfyniad Arddull Chicago

Bibliography of Doctoral Dissertations 1978-79: Natural and Applied Sciences. New Delhi, Associtation of Indian Universities, 1980.

Dyfyniad MLA

Bibliography of Doctoral Dissertations 1978-79: Natural and Applied Sciences. 1980.

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