Chan, Ming K., y Carlos D. González-Richmond. 1976. "<em>Crisis and Prosperity in Sung China</em>, editado por John Winthrop Haeger. (Tucson: University of Arizona Press, 1975), pp. xv, 264". Estudios de Asia y África 11 (1):141-46. https://doi.org/10.24201/eaa.v11i1.e412.