Morton, R. A. (1929). An appreciation of Robert Southwell. University of Pennsylvania Press.
Chicago-viite (17. p.)Morton, Rose Anita. An Appreciation of Robert Southwell. Philadelphia: University of Pennsylvania Press, 1929.
MLA-viite (8. p.)Morton, Rose Anita. An Appreciation of Robert Southwell. University of Pennsylvania Press, 1929.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.