Gaya APA

KRAMPE, K. (1990). Appropriate technology for water resources assessment and development in arid and semi-arid zones (cover I: survey and assessment of groundwater dst. . : ASCAD.

Gaya MLA

KRAMPE, K.D.W.. "Appropriate technology for water resources assessment and development in arid and semi-arid zones (cover I: survey and assessment of groundwater dst.". : ASCAD, 1990. Buku.