APA引文

Ng, D. L. W., & Wong, B. S. (2009). Steel thickness testing by phased array ultrasonic.

Chicago Style Citation

Ng, Desmond Liang Wei., and Brian Stephen Wong. Steel Thickness Testing By Phased Array Ultrasonic. 2009.

MLA引文

Ng, Desmond Liang Wei., and Brian Stephen Wong. Steel Thickness Testing By Phased Array Ultrasonic. 2009.

警告：這些引文格式不一定是100％准確.