Gaya APA
Andreß, H. (2013).
Applied panel data analysis for economic and social surveys (Ed.1).
Jerman:
Springer Berlin, Heidelberg.
Gaya MLA
Andreß, Hans-Jürgen.
"Applied panel data analysis for economic and social surveys".
Ed.1
Jerman:
Springer Berlin, Heidelberg,
2013.
Electronic Resource.