Gaya APA
Olsson, M., Sjöstedt, G. (2005).
Systems Approaches and Their Application (1st ed. 2005.).
Dordrecht:
Springer.
Gaya MLA
Olsson, Mats-Olov.., Sjöstedt, Gunnar..
"Systems Approaches and Their Application".
1st ed. 2005.
Dordrecht:
Springer,
2005.
E Book.