(1986). Computers can read: Machine-readable codes and their applications / Peter Brophy.
Chicago-čujuhus (17. p.)Computers Can Read: Machine-readable Codes and Their Applications / Peter Brophy. 1986.
MLA-čujuhus (9. p.)Computers Can Read: Machine-readable Codes and Their Applications / Peter Brophy. 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.