Yeoh, J. S. (2017). Ensuring safety in railway tunnels. The Institution of Engineers, Malaysia (IEM).
استشهاد بنمط شيكاغوYeoh, Jit Shiong. Ensuring Safety in Railway Tunnels. The Institution of Engineers, Malaysia (IEM), 2017.
MLA استشهادYeoh, Jit Shiong. Ensuring Safety in Railway Tunnels. The Institution of Engineers, Malaysia (IEM), 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.