Gaya APA
Holthusen, Bernd. (1988).
Digital design .
Dusseldorf:
ECON Verlag.
Gaya Chicago
Holthusen, Bernd.
Digital design.
Dusseldorf:
ECON Verlag,
1988.
Loan Book.
Gaya MLA
Holthusen, Bernd.
Digital design.
Dusseldorf:
ECON Verlag,
1988.
Loan Book.
Gaya Turabian
Holthusen, Bernd.
Digital design.
Dusseldorf:
ECON Verlag,
1988.
Loan Book.