South Africa. Dept. of National Health and Population Development. (1986). Sireletša ngwana wa gago (2nd ed.). Dept. of National Health and Population Development.
Dyfyniad Arddull ChicagoSouth Africa. Dept. of National Health and Population Development. Sireletša Ngwana Wa Gago. 2nd ed. Pretoria: Dept. of National Health and Population Development, 1986.
Dyfyniad MLASouth Africa. Dept. of National Health and Population Development. Sireletša Ngwana Wa Gago. 2nd ed. Dept. of National Health and Population Development, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.