Chan, Hok-lam (1998). “The Chien-wen, Yung-lo, Hung-hsi, and Hsüan-te reigns, 1399–1435”. The Cambridge History of China, Volume 7: The Ming Dynasty, 1368–1644, Part 1. Cambridge: Cambridge University Press. ISBN9780521243322.Quản lý CS1: ref=harv (liên kết)
Dreyer, Edward L. (2007). Zheng He: China and the Oceans in the Early Ming Dynasty, 1405–1433. New York: Pearson Longman. ISBN9780321084439.Quản lý CS1: ref=harv (liên kết)
Ray, Haraprasad (1987). “An Analysis of the Chinese Maritime Voyages into the Indian Ocean during Early Ming Dynasty and their Raison d'Etre”. China Report. 23 (1). doi:10.1177/000944558702300107.Quản lý CS1: ref=harv (liên kết)
Sen, Tansen (2016). “The Impact of Zheng He's Expeditions on Indian Ocean Interactions”. Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.Quản lý CS1: ref=harv (liên kết)
