APA (7th ed.) Citation

Ngui, A. (1991). Assessment and interpretation of in-situ strength of concrete using penetration resistance ultrasonic pulse velocity and core tests.

Chicago Style (17th ed.) Citation

Ngui, Adelbert. Assessment and Interpretation of In-situ Strength of Concrete Using Penetration Resistance Ultrasonic Pulse Velocity and Core Tests. 1991.

MLA (8th ed.) Citation

Ngui, Adelbert. Assessment and Interpretation of In-situ Strength of Concrete Using Penetration Resistance Ultrasonic Pulse Velocity and Core Tests. 1991.

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