Gaya APA
Mayr, H, C. et al
(2005).
Conceptual Modeling - ER 2005
(
1st ed.)
.
Berlin, Heidelberg:
Springer.
Gaya MLA
Mayr, Heinrich, C.. et al.
"Conceptual Modeling - ER 2005".
1st ed.
Berlin, Heidelberg:
Springer,
2005.
E Book.