Brusch, R. E., Eccli, E., Eccli, S., & Tyler, D. (1979). Wells construction: Hand dug and hand drilled. Washington, D.C.: Peace Corps Information Collection and Exchange.
Citación estilo ChicagoBrusch, Richard E., Eugene Eccli, Sandy Eccli, y David Tyler. Wells Construction: Hand Dug and Hand Drilled. Washington, D.C.: Peace Corps Information Collection and Exchange, 1979.
Cita MLABrusch, Richard E., Eugene Eccli, Sandy Eccli, y David Tyler. Wells Construction: Hand Dug and Hand Drilled. Washington, D.C.: Peace Corps Information Collection and Exchange, 1979.
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