Παραπομπή APA

Aneesh Mathews Paul. (1999). Geographical information system. computer science,cusat.

Παραπομπή Chicago Style

Aneesh Mathews Paul. Geographical Information System. cusat: computer science,cusat, 1999.

Παραπομπή MLA

Aneesh Mathews Paul. Geographical Information System. computer science,cusat, 1999.