Gaya APA
Offerman, Theo. (2006).
Economisch design .
:
IG Library.
Gaya Chicago
Offerman, Theo.
Economisch design.
:
IG Library,
2006.
Electronic Resources.
Gaya MLA
Offerman, Theo.
Economisch design.
:
IG Library,
2006.
Electronic Resources.
Gaya Turabian
Offerman, Theo.
Economisch design.
:
IG Library,
2006.
Electronic Resources.