Dyfyniad APA

Solano-Mayorga, M. A. (2012). USE OF OPEN SOURCE GEOGRAPHIC INFORMATION SYSTEMS IN COSTA RICA.

Dyfyniad Arddull Chicago

Solano-Mayorga, Manuel Antonio. USE OF OPEN SOURCE GEOGRAPHIC INFORMATION SYSTEMS IN COSTA RICA. 2012.

Dyfyniad MLA

Solano-Mayorga, Manuel Antonio. USE OF OPEN SOURCE GEOGRAPHIC INFORMATION SYSTEMS IN COSTA RICA. 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.