English translation: Nguyễn, Đình-Hoà. (1955). Quốc-ngữ: The modern writing system in Vietnam. Washington, DC: Author. Nguyễn, Đình-Hoà. (1996). Vietnamese. In P. T. Daniels, & W. Bright (Eds.), The world's writing systems, (pp. 691–699). New York: Oxford University Press. .
English translation Nguyễn Đình-Hoà (1955) Quốc-ngữ The modern writing system in Vietnam Washington DC Author Nguyễn Đình-Hoà (1996) Vietnamese In P T Daniels & W Bright (Eds) The world's writing systems (pp 691–699) New York Oxford University Press 