Schafer, Edward Hetzel (1967). The Vermilion Bird (بالإنجليزية). University of California Press. p. 56. Archived from the original on 2021-03-08. slave girls of viet.
Yates، Robin D. S. (2002). "Slavery in Early China: a socio-cultural approach". Journal of East Asian Archaeology. ج. 3 ع. 1: 283–331. DOI:10.1163/156852301100402723. p. 301. reprinted in Pargas، Damian Alan؛ Roşu، Felicia (المحررون). Critical Readings on Global Slavery.
Schafer, Edward Hetzel (1967). The Vermilion Bird (بالإنجليزية). University of California Press. p. 56. Archived from the original on 2021-03-08. slave girls of viet.