Dyfyniad APA

Association of Commonwealth Universities. London. (1991). Commonwealth Universities Yearbook 1991. Association of Commonwealth Universities.

Dyfyniad Arddull Chicago

Association of Commonwealth Universities. London. Commonwealth Universities Yearbook 1991. London: Association of Commonwealth Universities, 1991.

Dyfyniad MLA

Association of Commonwealth Universities. London. Commonwealth Universities Yearbook 1991. Association of Commonwealth Universities, 1991.

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