(1988). Public-domain software and shareware: Untapped resources for the PC user / Rusel DeMaria and George R. Fontaine.
Citazione stile Chigago Style (17a edizione)Public-domain Software and Shareware: Untapped Resources for the PC User / Rusel DeMaria and George R. Fontaine. 1988.
Citatione MLA (9a ed.)Public-domain Software and Shareware: Untapped Resources for the PC User / Rusel DeMaria and George R. Fontaine. 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.