Gaya APA
Utomo, Heru. (2006).
Quality assurance pengembangan jalan di Indonesia .
:
Unpar.
Gaya Chicago
Utomo, Heru.
Quality assurance pengembangan jalan di Indonesia.
:
Unpar,
2006.
Filmstrip.
Gaya MLA
Utomo, Heru.
Quality assurance pengembangan jalan di Indonesia.
:
Unpar,
2006.
Filmstrip.
Gaya Turabian
Utomo, Heru.
Quality assurance pengembangan jalan di Indonesia.
:
Unpar,
2006.
Filmstrip.