APA引文

Look Keman, S. (2016). Talk on introduction to tunnelling by drilling and blasting. The Institution of Engineers, Malaysia (IEM).

Chicago Style Citation

Look Keman, Sahari. Talk On Introduction to Tunnelling By Drilling and Blasting. The Institution of Engineers, Malaysia (IEM), 2016.

MLA引文

Look Keman, Sahari. Talk On Introduction to Tunnelling By Drilling and Blasting. The Institution of Engineers, Malaysia (IEM), 2016.

警告：這些引文格式不一定是100％准確.