Association of Commonwealth Universities. London. (1991). Commonwealth Universities Yearbook 1991. Association of Commonwealth Universities.
استشهاد بنمط شيكاغوAssociation of Commonwealth Universities. London. Commonwealth Universities Yearbook 1991. London: Association of Commonwealth Universities, 1991.
MLA استشهادAssociation of Commonwealth Universities. London. Commonwealth Universities Yearbook 1991. Association of Commonwealth Universities, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.