Gaya APA
Pena, Alberto. (1990).
Atlas of surgical management of anorectal malformations .
:
Springer.
Gaya Chicago
Pena, Alberto.
Atlas of surgical management of anorectal malformations.
:
Springer,
1990.
Text.
Gaya MLA
Pena, Alberto.
Atlas of surgical management of anorectal malformations.
:
Springer,
1990.
Text.
Gaya Turabian
Pena, Alberto.
Atlas of surgical management of anorectal malformations.
:
Springer,
1990.
Print.