Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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