Drechsel, P., & Kunze, D. (2001). Waste composting for urban and peri-urban agriculture: Closing the rural-urban nutrient cycle in sub-Saharan Africa. CABI Publishing.
Lua i Stíl Chicago (17ú heag.)Drechsel, Pay, agus Dagmar Kunze. Waste Composting for Urban and Peri-urban Agriculture: Closing the Rural-urban Nutrient Cycle in Sub-Saharan Africa. Wallingford, Oxon, UK: CABI Publishing, 2001.
Lua MLA (8ú heag.)Drechsel, Pay, agus Dagmar Kunze. Waste Composting for Urban and Peri-urban Agriculture: Closing the Rural-urban Nutrient Cycle in Sub-Saharan Africa. CABI Publishing, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.