Tohutoro APA (7th ed.)

(1988). Public-domain software and shareware: Untapped resources for the PC user / Rusel DeMaria and George R. Fontaine.

Tohutoru Kātū Chicago (17th ed.)

Public-domain Software and Shareware: Untapped Resources for the PC User / Rusel DeMaria and George R. Fontaine. 1988.

Tohutoro MLA (9th ed.)

Public-domain Software and Shareware: Untapped Resources for the PC User / Rusel DeMaria and George R. Fontaine. 1988.

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