APA Citation

Villamizar Duque, D. (2013). Geographic Information System (gvSIG 1.12) Tutorial and Case Study.

Chicago Style Citation

Villamizar Duque, David. Geographic Information System (gvSIG 1.12) Tutorial and Case Study. 2013.

MLA Citation

Villamizar Duque, David. Geographic Information System (gvSIG 1.12) Tutorial and Case Study. 2013.

Warning: These citations may not always be 100% accurate.