Tyrrell, G. (1898). Nova et vetera: Informal meditations : for times of spiritual dryness (2nd impression.). Longmans, Green.
Lua i Stíl Chicago (17ú heag.)Tyrrell, George. Nova Et Vetera: Informal Meditations : For Times of Spiritual Dryness. 2nd impression. London ; New York: Longmans, Green, 1898.
Lua MLA (8ú heag.)Tyrrell, George. Nova Et Vetera: Informal Meditations : For Times of Spiritual Dryness. 2nd impression. Longmans, Green, 1898.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.