Atchley, E. G. C. F. (1905). Ordo Romanus Primus. The library of liturgiology & ecclesiology for English readers.
Cita Chicago Style (17a ed.)Atchley, Edward Godfrey Cuthbert Frederic. "Ordo Romanus Primus." The Library of Liturgiology & Ecclesiology for English Readers 1905.
Cita MLA (8a ed.)Atchley, Edward Godfrey Cuthbert Frederic. "Ordo Romanus Primus." The Library of Liturgiology & Ecclesiology for English Readers, 1905.
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