Casey, R. S. (1958). Punched cards: Their applications to science and industry (2nd ed.). New York: Reinhold Pub. Corp.
Παραπομπή Chicago StyleCasey, Robert S. Punched Cards: Their Applications to Science and Industry. 2nd ed. New York: Reinhold Pub. Corp, 1958.
Παραπομπή MLACasey, Robert S. Punched Cards: Their Applications to Science and Industry. 2nd ed. New York: Reinhold Pub. Corp, 1958.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.