Prokopik, E. (2005). Keepers of the flame: 90 year province history, 1911-2001. Sisters of the Order of Saint Basil the Great.
Chicago-referens (17:e uppl.)Prokopik, Emellia. Keepers of the Flame: 90 Year Province History, 1911-2001. Fox Chase Manor, Pa.: Sisters of the Order of Saint Basil the Great, 2005.
MLA-referens (8:e uppl.)Prokopik, Emellia. Keepers of the Flame: 90 Year Province History, 1911-2001. Sisters of the Order of Saint Basil the Great, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.