APA-Zitierstil (7. Ausg.)
(1984). Utilization of sewage sludge compost as a soil conditioner and fertilizer for plant growth. United States Department of Agriculture.
Chicago-Zitierstil (17. Ausg.)
Utilization of Sewage Sludge Compost as a Soil Conditioner and Fertilizer for Plant Growth. Washington: United States Department of Agriculture, 1984.
MLA-Zitierstil (9. Ausg.)
Utilization of Sewage Sludge Compost as a Soil Conditioner and Fertilizer for Plant Growth. United States Department of Agriculture, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.