TY - BOOK AU - O'Sullivan, Arthur AU - Sheffrin, Steven M AU - Perez, Stephen J. TI - Microeconomics: Principles, applications, and tools SN - 1292042400 AV - HB172 .O88 2014 PY - 2014/// CY - England PB - pearson education limited, N1 - includes bibliographical reference and index ER -