Dyfyniad APA

(1981). Directory of British oral history collections. Oral History Society.

Dyfyniad Arddull Chicago

Directory of British Oral History Collections. Wivenhoe Park, Colchester: Oral History Society, 1981.

Dyfyniad MLA

Directory of British Oral History Collections. Oral History Society, 1981.

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