Skafte Jensen, Jørgen. “Brian Patrick McGuire: Friendship & Community. The Monastic Experience 350-1250. Cistercian Studies Series 95. Kalamazoo, Cistercian Publications Inc., 1988. L, 5765”. Historisk Tidsskrift, bd. 15, januar 1989, s. 194-5, doi:10.7146/ht.v15i0.53156.