Rico-Gray, V., & Palacios-Rios, M. (1996). Salinity and water level as factors in the distribution of vegetation in the cienega of NW Campeche, Mexico. Instituto de Ecología, A.C.
Chicago-referens (17:e uppl.)Rico-Gray, Victor, och Monica Palacios-Rios. Salinity and Water Level as Factors in the Distribution of Vegetation in the Cienega of NW Campeche, Mexico. Instituto de Ecología, A.C, 1996.
MLA-referens (9:e uppl.)Rico-Gray, Victor, och Monica Palacios-Rios. Salinity and Water Level as Factors in the Distribution of Vegetation in the Cienega of NW Campeche, Mexico. Instituto de Ecología, A.C, 1996.