Cross, W. (1977). St. John of God: Patron saint of hospitals, the sick, nurses and all who look after the sick. London.
Lua i Stíl Chicago (17ú heag.)Cross, Walter. St. John of God: Patron Saint of Hospitals, the Sick, Nurses and All Who Look After the Sick. London, 1977.
Lua MLA (8ú heag.)Cross, Walter. St. John of God: Patron Saint of Hospitals, the Sick, Nurses and All Who Look After the Sick. London, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.