Vela, M., & Keyes, F. P. (1960). The third mystic of Avila: The self revelation of María Vela, a sixteenth century Spanish nun. Farrar, Straus and Cudahy.
Chicago-viite (17. p.)Vela, María, ja Frances Parkinson Keyes. The Third Mystic of Avila: The Self Revelation of María Vela, a Sixteenth Century Spanish Nun. New York: Farrar, Straus and Cudahy, 1960.
MLA-viite (8. p.)Vela, María, ja Frances Parkinson Keyes. The Third Mystic of Avila: The Self Revelation of María Vela, a Sixteenth Century Spanish Nun. Farrar, Straus and Cudahy, 1960.
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