Sisters of Charity of St. Vincent de Paul (Pittsburgh, Pa.). (1957). Constitutions of the Congregation of the Vincentian Sisters of Charity of the Diocese of Pittsburgh. The Sisters.
Chicago-referens (17:e uppl.)Sisters of Charity of St. Vincent de Paul (Pittsburgh, Pa.). Constitutions of the Congregation of the Vincentian Sisters of Charity of the Diocese of Pittsburgh. [S.l.: The Sisters, 1957.
MLA-referens (8:e uppl.)Sisters of Charity of St. Vincent de Paul (Pittsburgh, Pa.). Constitutions of the Congregation of the Vincentian Sisters of Charity of the Diocese of Pittsburgh. The Sisters, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.