Gaya APA
Widjaja, Tri. (2012).
Pengolahan limbah industri .
Surabaya:
ITS Press.
Gaya Chicago
Widjaja, Tri.
Pengolahan limbah industri.
Surabaya:
ITS Press,
2012.
Text.
Gaya MLA
Widjaja, Tri.
Pengolahan limbah industri.
Surabaya:
ITS Press,
2012.
Text.
Gaya Turabian
Widjaja, Tri.
Pengolahan limbah industri.
Surabaya:
ITS Press,
2012.
Print.