Skafte Jensen, J. 1989. Brian Patrick McGuire: Friendship & Community. The Monastic Experience 350-1250. Cistercian Studies Series 95. Kalamazoo, Cistercian Publications Inc., 1988. L, 5765. Historisk Tidsskrift. 15, (jan. 1989), 194–195. DOI:https://doi.org/10.7146/ht.v15i0.53156.