La Putt Juny Pilapil. (1984). Introduction to computer concepts. Research & Publishing Center.
Chicago-viite (17. p.)La Putt Juny Pilapil. Introduction to Computer Concepts. Baguio: Research & Publishing Center, 1984.
MLA-viite (9. p.)La Putt Juny Pilapil. Introduction to Computer Concepts. Research & Publishing Center, 1984.
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