Catholic Summer School of America. (1927). A paradise of nature: A paradise for children, a paradise for youth, a paradise for adults, a paradise for the old, a paradise of earthly joy, an intellectual paradise, a paradise of heavenly bliss. Catholic Summer School.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCatholic Summer School of America. A Paradise of Nature: A Paradise for Children, a Paradise for Youth, a Paradise for Adults, a Paradise for the Old, a Paradise of Earthly Joy, an Intellectual Paradise, a Paradise of Heavenly Bliss. New York City: Catholic Summer School, 1927.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCatholic Summer School of America. A Paradise of Nature: A Paradise for Children, a Paradise for Youth, a Paradise for Adults, a Paradise for the Old, a Paradise of Earthly Joy, an Intellectual Paradise, a Paradise of Heavenly Bliss. Catholic Summer School, 1927.