Gaya APA

Kremkau, F, W. (1993). Diagnostic Ultrasound: Principles and Instruments (4). Philadelphia: W.B. Saunders Company.

Gaya MLA

Kremkau, Frederick, W.. "Diagnostic Ultrasound: Principles and Instruments". 4 Philadelphia: W.B. Saunders Company, 1993. Buku Text.