ADAPTED FROM ECONOMICS SECOND EDITION BY PAUL KRUGMAN AND ROBIN WELLS KRUGMAN'S ECONOMICS FOR AP*
MARGARET RAY AND DAVID ANDERSON2011 年出版883 页ISBN:1429218274
ADAPTED FROM MACROECONOMICS SECOND EDITION BY PAUL BY PAUL KRUGMAN AND ROBIN WELLS KRUGMAN'S MACROEC
MARGARET RAY AND DAVID ANDERSON2011 年出版503 页ISBN:142925730X