BECKERMAN WILFRED. (1993). INTRODUCTION TO NATIONAL INCOME ANALYSIS (3.). UNIVERSAL BOOKS.
芝加哥风格引文BECKERMAN WILFRED. INTRODUCTION TO NATIONAL INCOME ANALYSIS. 3. NEW DELHI: UNIVERSAL BOOKS, 1993.
MLA引文BECKERMAN WILFRED. INTRODUCTION TO NATIONAL INCOME ANALYSIS. 3. UNIVERSAL BOOKS, 1993.
警告：这些引文格式不一定是100％准确.