APA

Armenteras D., . (2001). GIS at the Alexander von Humboldt Institute, Colombia. : ESRI Press.

Chicago

Armenteras Dolors, . 2001. GIS at the Alexander von Humboldt Institute, Colombia. : ESRI Press.

Harvard

Armenteras D., . (2001). GIS at the Alexander von Humboldt Institute, Colombia. : ESRI Press.

MLA

Armenteras Dolors, . GIS at the Alexander von Humboldt Institute, Colombia. : ESRI Press. 2001.