Gaya APA

Toner, J, J. (1982). A commentary on Saint Ignatius' rules for the discernment of Spirits: A guide to the principles and practice. Ed. & foreword by George E. Ganss. . St Louis: St Louis Institute of Jesuit Sources.

Gaya MLA

Toner, Jules, J.. "A commentary on Saint Ignatius' rules for the discernment of Spirits: A guide to the principles and practice. Ed. & foreword by George E. Ganss. ". St Louis: St Louis Institute of Jesuit Sources, 1982. Buku.