MAETH CH., R. Lü Bisong, Teaching Chinese as a Foreign Language (Duiwai Hanyu jiaoxue tansuo), Editorial "Sinolingua", Beijing, 1987. Pp. 4 + 169. Texto en chino. Estudios de Asia y África, [S. l.], v. 23, n. 2, p. 389–391, 1988. https://doi.org/10.24201/eaa.v23i2.1110