Gaya APA
Speck, U.
(1999).
Contrast Media Overview : Use and Pharmaceutical Aspects
(
4 nd)
.
Berlin:
Springer - Verlag.
Gaya MLA
Speck, Ulrich.
"Contrast Media Overview : Use and Pharmaceutical Aspects".
4 nd
Berlin:
Springer - Verlag,
1999.
Text.