Hoppen, H. J. (1969). Farm implements for arid and tropical regions. Food and Agriculture Organization ofunited states.
Chicago Edition CitationHoppen, H J. Farm Implements for Arid and Tropical Regions. Rome: Food and Agriculture Organization ofunited states, 1969.
MLA Edition CitationHoppen, H J. Farm Implements for Arid and Tropical Regions. Food and Agriculture Organization ofunited states, 1969.
Warning: These citations may not always be 100% accurate.