TY  - BOOK
AU  - Mansfield, Edwin                                                                                                                                                                                                                                                                                            
TI  - Study guide for principles of microeconomics                                                                                                                                                                                                                                                                                                                                                                    
SN  - 0-393-95147-2
U1  - 338.5 M2871s3 c1980                                                                                  
PY  - 1980///
CY  - New York
PB  - W.W. Norton and Company
KW  - Microeconomía
ER  -