Sturch, R. (2001). Four Christian fantasists: A study of the fantastic writings of George MacDonald, Charles Williams, C.S. Lewis, and J.R.R. Tolkien. Walking Tree Publishers.
Chicago-referens (17:e uppl.)Sturch, Richard. Four Christian Fantasists: A Study of the Fantastic Writings of George MacDonald, Charles Williams, C.S. Lewis, and J.R.R. Tolkien. Zurich: Walking Tree Publishers, 2001.
MLA-referens (8:e uppl.)Sturch, Richard. Four Christian Fantasists: A Study of the Fantastic Writings of George MacDonald, Charles Williams, C.S. Lewis, and J.R.R. Tolkien. Walking Tree Publishers, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.