Cita APA (7th ed.)

BECKERMAN WILFRED. (1993). INTRODUCTION TO NATIONAL INCOME ANALYSIS (3.). UNIVERSAL BOOKS.

Cita Chicago (17th ed.)

BECKERMAN WILFRED. INTRODUCTION TO NATIONAL INCOME ANALYSIS. 3. NEW DELHI: UNIVERSAL BOOKS, 1993.

Cita MLA (9th ed.)

BECKERMAN WILFRED. INTRODUCTION TO NATIONAL INCOME ANALYSIS. 3. UNIVERSAL BOOKS, 1993.