Sayers, J. E. (1984). Papal government and England during the pontificate of Honorius III (1216-1227). Cambridge University Press. https://doi.org/10.1017/CBO9780511896125
Cita Chicago Style (17a ed.)Sayers, Jane E. Papal Government and England During the Pontificate of Honorius III (1216-1227). Cambridge: Cambridge University Press, 1984. https://doi.org/10.1017/CBO9780511896125.
Cita MLA (8a ed.)Sayers, Jane E. Papal Government and England During the Pontificate of Honorius III (1216-1227). Cambridge University Press, 1984. https://doi.org/10.1017/CBO9780511896125.
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