Gaya APA
Ansert, ., Hagen, S, L. (1983).
Textbook of Diagnostic Ultrasonography (Second Edition).
St. Louis:
The C.V Mosby Company.
Gaya MLA
Ansert, ., Hagen, Sandra, L..
"Textbook of Diagnostic Ultrasonography".
Second Edition
St. Louis:
The C.V Mosby Company,
1983.
Text.