Ooi, T. A. (2018). Risk management in underground space projects. The Institution of Engineers, Malaysia (IEM).
استشهاد بنمط شيكاغوOoi, Teik Aun. Risk Management in Underground Space Projects. The Institution of Engineers, Malaysia (IEM), 2018.
MLA استشهادOoi, Teik Aun. Risk Management in Underground Space Projects. The Institution of Engineers, Malaysia (IEM), 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.