Samuelson,Paul A, & Nordhaus, W. D. (2020). Economics (20th Edition.). Tata McGraw Hill.
Chicagoスタイル(17版)引用形式Samuelson,Paul A, , William D. Nordhaus. Economics. 20th Edition. Chennai: Tata McGraw Hill, 2020.
MLA(9版)引用形式Samuelson,Paul A, , William D. Nordhaus. Economics. 20th Edition. Tata McGraw Hill, 2020.
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