SAMUELSON PAUL A. (2022). ECONOMICS (20TH.). MCGRAW-HILL.
芝加哥风格引文SAMUELSON PAUL A. ECONOMICS. 20TH. NEW YORK: MCGRAW-HILL, 2022.
MLA引文SAMUELSON PAUL A. ECONOMICS. 20TH. MCGRAW-HILL, 2022.
警告：这些引文格式不一定是100％准确.
APA引文
SAMUELSON PAUL A. (2022). ECONOMICS (20TH.). MCGRAW-HILL.
芝加哥风格引文SAMUELSON PAUL A. ECONOMICS. 20TH. NEW YORK: MCGRAW-HILL, 2022.
MLA引文SAMUELSON PAUL A. ECONOMICS. 20TH. MCGRAW-HILL, 2022.