Cita APA

Di Gregorio, A., & Di Gregorio, A. (2005). Land cover classification system: Classification concepts and user manual. Rome: Food and Agriculture Organization of the United Nations.

Citación estilo Chicago

Di Gregorio, Antonio, y Antonio Di Gregorio. Land Cover Classification System: Classification Concepts and User Manual. Rome: Food and Agriculture Organization of the United Nations, 2005.

Cita MLA

Di Gregorio, Antonio, y Antonio Di Gregorio. Land Cover Classification System: Classification Concepts and User Manual. Rome: Food and Agriculture Organization of the United Nations, 2005.