Gaya APA
NURUDDIN, M, F. et al (2010).
Sidoarjo mud: a potential cement replacement material .
Surabaya:
Petra Christian University.
Gaya MLA
NURUDDIN, M., F. et al.
"Sidoarjo mud: a potential cement replacement material".
Surabaya:
Petra Christian University,
2010.
Artikel.