M. Gunthildis, S. (1986). Novena in honor of Mary: Mother thrice admirable and Queen of Schoenstatt. Schoenstatt Sisters of Mary.
Lua i Stíl Chicago (17ú heag.)M. Gunthildis, Sister. Novena in Honor of Mary: Mother Thrice Admirable and Queen of Schoenstatt. Waukesha, WI: Schoenstatt Sisters of Mary, 1986.
Lua MLA (8ú heag.)M. Gunthildis, Sister. Novena in Honor of Mary: Mother Thrice Admirable and Queen of Schoenstatt. Schoenstatt Sisters of Mary, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.