Chai, P. H. (2005). Ultrasonic pulse velocity (UPV) test on concrete under compression: A study on effect of aspect ratio. Universiti Malaysia Sarawak, (UNIMAS).
استشهاد بنمط شيكاغوChai, Peng How. Ultrasonic Pulse Velocity (UPV) Test On Concrete Under Compression: A Study On Effect of Aspect Ratio. Universiti Malaysia Sarawak, (UNIMAS), 2005.
MLA استشهادChai, Peng How. Ultrasonic Pulse Velocity (UPV) Test On Concrete Under Compression: A Study On Effect of Aspect Ratio. Universiti Malaysia Sarawak, (UNIMAS), 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.