Devlin, C. (1956). The life of Robert Southwell: Poet and martyr. Farrar, Straus and Cudahy.
Chicago-viite (17. p.)Devlin, Christopher. The Life of Robert Southwell: Poet and Martyr. New York: Farrar, Straus and Cudahy, 1956.
MLA-viite (8. p.)Devlin, Christopher. The Life of Robert Southwell: Poet and Martyr. Farrar, Straus and Cudahy, 1956.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.