TY  - BOOK
AU  - Nicholson,Walter
AU  - Snyder,Christopher
TI  - Microeconomic theory: basic principles and extensions 
SN  - 9781305505797
PY  - 2017///
CY  - Boston
PB  - Cengage Learning
KW  - Microeconomics
N1  - Includes bibliographical references and index
ER  -