Casey, R. S. (1958). Punched cards: Their applications to science and industry (2nd ed.). Reinhold Pub. Corp.
Cita Chicago (17th ed.)Casey, Roberts S. Punched Cards: Their Applications to Science and Industry. 2nd ed. New York: Reinhold Pub. Corp, 1958.
Cita MLA (9th ed.)Casey, Roberts S. Punched Cards: Their Applications to Science and Industry. 2nd ed. Reinhold Pub. Corp, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.