APA Citation

Hamzah, E., Khoo, C. Y., & Sudin, I. (2008). Core drilling of hard and brittle materials with rotary ultrasonic machine. Penerbit UTM.

Chicago Style Citation

Hamzah, Esah, Chun Yong Khoo, and Izman Sudin. Core Drilling of Hard and Brittle Materials With Rotary Ultrasonic Machine. Penerbit UTM, 2008.

MLA Citation

Hamzah, Esah, Chun Yong Khoo, and Izman Sudin. Core Drilling of Hard and Brittle Materials With Rotary Ultrasonic Machine. Penerbit UTM, 2008.

Warning: These citations may not always be 100% accurate.