APA
Rulio J., Calvo A., . (1996). Soil degradation and desertification in mediterranean environments. Logroño: Geoforma.
Chicago
Rulio J.L, Calvo A, . 1996. Soil degradation and desertification in mediterranean environments. Logroño: Geoforma.
Harvard
Rulio J., Calvo A., . (1996). Soil degradation and desertification in mediterranean environments. Logroño: Geoforma.
MLA
Rulio J.L, Calvo A, . Soil degradation and desertification in mediterranean environments. Logroño: Geoforma. 1996.