Gratzfeld, J. (2003). Extractive industries in Arid and Semi - Arid Zones: Environment planning and management. Gland, Switzerland: IUCN.
Chicago Style CitationGratzfeld, Joachim. Extractive Industries in Arid and Semi - Arid Zones: Environment Planning and Management. Gland, Switzerland: IUCN, 2003.
MLA CitationGratzfeld, Joachim. Extractive Industries in Arid and Semi - Arid Zones: Environment Planning and Management. Gland, Switzerland: IUCN, 2003.
Warning: These citations may not always be 100% accurate.