Civil Engineering Dimension. Institute of Research & Community Outreach - Petra Christian University.
Chicago-referens (17:e uppl.)Civil Engineering Dimension. Institute of Research & Community Outreach - Petra Christian University.
MLA-referens (9:e uppl.)Civil Engineering Dimension. Institute of Research & Community Outreach - Petra Christian University.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.