Hernández-Castellanos, B., Barois, I., G. Brown, G., & García-Pérez, J. A. (2010). Chemical changes induced by two geophagous earthworm species in soils from Veracruz, Mexico. Instituto de Ecología, A.C.
Chicago-referens (17:e uppl.)Hernández-Castellanos, Benito, Isabelle Barois, George G. Brown, och José Antonio García-Pérez. Chemical Changes Induced by Two Geophagous Earthworm Species in Soils from Veracruz, Mexico. Instituto de Ecología, A.C, 2010.
MLA-referens (9:e uppl.)Hernández-Castellanos, Benito, et al. Chemical Changes Induced by Two Geophagous Earthworm Species in Soils from Veracruz, Mexico. Instituto de Ecología, A.C, 2010.