Knowles, D. (1969). Christian monasticism. McGraw-Hill.
Cita Chicago (17th ed.)Knowles, David. Christian Monasticism. New York: McGraw-Hill, 1969.
Cita MLA (9th ed.)Knowles, David. Christian Monasticism. McGraw-Hill, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.