Nusatya, A., M., A., C. et al.(1955).Sonics : Techniques for The Use of Sound and Ultrasound in Engineering and Science .New York:John Wiley & Sons Inc..
Gaya MLA
Nusatya, A., M., A., C. et al..Sonics : Techniques for The Use of Sound and Ultrasound in Engineering and Science.New York:John Wiley & Sons Inc.,1955.Lawas.