Ooi, T. A. (2011). Talk on 'Permanent Works Shotcrete in Hong Kong Tunnels'. The Institution of Engineers, Malaysia.
استشهاد بنمط شيكاغوOoi, Teik Aun. Talk On 'Permanent Works Shotcrete in Hong Kong Tunnels'. The Institution of Engineers, Malaysia, 2011.
MLA استشهادOoi, Teik Aun. Talk On 'Permanent Works Shotcrete in Hong Kong Tunnels'. The Institution of Engineers, Malaysia, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.