Gaya APA
Ballenger, P, W. (1986).
Merrill's Atlas of Radiographic positions and Radiologic Procedures .
St. Louis,Missouri:
Mosby Company.
Gaya MLA
Ballenger, Philip, W..
"Merrill's Atlas of Radiographic positions and Radiologic Procedures".
St. Louis,Missouri:
Mosby Company,
1986.
Text.