Mehuys, G. R., Tiessen, K. H., Villatoro, M., Sancho, F., & Lobb, D. A. (2009). Tillage erosion by the disc plow on steepland volcanic soils in Costa Rica.
Citación estilo ChicagoMehuys, Guy R., Kevin H.D Tiessen, Mario Villatoro, Freddy Sancho, y David A. Lobb. Tillage Erosion By the Disc Plow On Steepland Volcanic Soils in Costa Rica. 2009.
MLA引文Mehuys, Guy R., et al. Tillage Erosion By the Disc Plow On Steepland Volcanic Soils in Costa Rica. 2009.
警告:這些引文格式不一定是100%准確.