Agius, A. (1959). Cruelty to animals: The Church's teaching. National Catholic Society for Animal Welfare.
Chicago-referens (17:e uppl.)Agius, Ambrose. Cruelty to Animals: The Church's Teaching. Washington, D.C.: National Catholic Society for Animal Welfare, 1959.
MLA-referens (8:e uppl.)Agius, Ambrose. Cruelty to Animals: The Church's Teaching. National Catholic Society for Animal Welfare, 1959.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.