Gaya APA
Grimberg, J. ([s.a]).
Digital Instrument Course part 4 : IEC bus interface .
Eindhoven:
Philips Gloelampenfrabike.
Gaya MLA
Grimberg, J.A.M.
"Digital Instrument Course part 4 : IEC bus interface".
Eindhoven:
Philips Gloelampenfrabike,
[s.a].
Text.