R. van Kerkvoorden,
«Information about the "Bandung" shallow well handpump». IWACO, Bandung, Indonesia, p. ca. 100 p.: fig., tab., photogr., 1979.
E. W. Steel y McGhee, T. J.,
Water supply and sewerage, 5th ed., International student ed.ª ed. Auckland, New Zealand: McGraw-Hill, 1979, p. xiv, 665 p.: fig., tab.
M. Stahl, Sachak, N., y Mkusa, G.,
«Water to the villages : a socio-economic study of water-related problems in Northern Njombe», vol. no. 54. University of Dar es Salaam, Bureau of Resource Assesssment and Land Use Planning, Dar es Salaam, Tanzania, p. 2, 91 p. : fig., tab., 1979.