Gaya APA
Petry, F, E. et al (2005).
Fuzzy Modeling with Spatial Information for Geographic Problems (1st ed.).
Berlin, Heidelberg:
Springer.
Gaya MLA
Petry, Frederick, E.. et al.
"Fuzzy Modeling with Spatial Information for Geographic Problems".
1st ed.
Berlin, Heidelberg:
Springer,
2005.
E Book.