Dyfyniad APA

Atelier National de Reproduction des Theses de Lille. University of Paris exchange - French doctoral dissertations on microfiche produced by ANRT at Lille.

Dyfyniad Arddull Chicago

Atelier National de Reproduction des Theses de Lille. University of Paris Exchange - French Doctoral Dissertations on Microfiche Produced by ANRT at Lille.

Dyfyniad MLA

Atelier National de Reproduction des Theses de Lille. University of Paris Exchange - French Doctoral Dissertations on Microfiche Produced by ANRT at Lille.

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