APA aipamena

Chinchilla Arley, R. (2011). Free software: An alternative to automate information units.

Chicago Style aipamena

Chinchilla Arley, Ricardo. Free Software: An Alternative to Automate Information Units. 2011.

MLA aipamena

Chinchilla Arley, Ricardo. Free Software: An Alternative to Automate Information Units. 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.