Gaya APA
Daab, Ralf. (2009).
Concrete Design .
italy:
daab gmbh.
Gaya Chicago
Daab, Ralf.
Concrete Design.
italy:
daab gmbh,
2009.
Referensi.
Gaya MLA
Daab, Ralf.
Concrete Design.
italy:
daab gmbh,
2009.
Referensi.
Gaya Turabian
Daab, Ralf.
Concrete Design.
italy:
daab gmbh,
2009.
Referensi.