Gaya APA
Ludwig, Udo. (1980).
Durability of Cement Mortars and Concretes .
:
s.n..
Gaya Chicago
Ludwig, Udo.
Durability of Cement Mortars and Concretes.
:
s.n.,
1980.
Computer Software.
Gaya MLA
Ludwig, Udo.
Durability of Cement Mortars and Concretes.
:
s.n.,
1980.
Computer Software.
Gaya Turabian
Ludwig, Udo.
Durability of Cement Mortars and Concretes.
:
s.n.,
1980.
Computer Software.