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* [http://ghanawashproject.org/wp-content/uploads/2012/07/36_Conference_Paper_Manual-Drilling_Ghana_Naugle-1.pdf 加纳专业化人工钻井.] 加纳WASH（水、环境卫生与个人卫生）项目，加纳.
* [http://docs.watsan.net/Scanned_PDF_Files/Class_Code_2_Water/212.5-79WE-7794-1.pdf Wells Construction: Hand dug and Hand drilled筑井：手工挖掘井与手工钻井.] Richard Brush, Peace Corps 1980.
* [http://www.fao.org/docrep/X5567E/x5567e00.HTM Self-help wells.] R.G. Koegel, FAO 1985.
