al.., S. A. e. (1992). CONSERVATION POLICIES FOR SISTAINABLE HILLSLOPE FARMING. Soil and Water Conservation Society.
Chicago Style Citational.., Sitalana Arsyad et. CONSERVATION POLICIES FOR SISTAINABLE HILLSLOPE FARMING. Soil and Water Conservation Society, 1992.
MLA Citational.., Sitalana Arsyad et. CONSERVATION POLICIES FOR SISTAINABLE HILLSLOPE FARMING. Soil and Water Conservation Society, 1992.
Warning: These citations may not always be 100% accurate.