Buscher, sarah and Ling, Bettina Máiread corrigan and Betty william: making peace in northern Ireland (New York: feminist press) 1999: 32 [2011-03-22] ISBN 1558612009ISBN 1558612009
Buscher, Sarah and Ling, Bettina. Máiread Corrigan and Betty Williams: Making Peace in Northern Ireland. New York: The Feminist Press. 1999: 32 [2011-03-22]. ISBN 1558612009.