BARTHWAL R R. (1984). INDUSTRIAL ECONOMICS AN INTRODUCTORY TEXT BOOK. WILEY EASTERN.
Chicago-čujuhus (17. p.)BARTHWAL R R. INDUSTRIAL ECONOMICS AN INTRODUCTORY TEXT BOOK. NEW DELHI: WILEY EASTERN, 1984.
MLA-čujuhus (9. p.)BARTHWAL R R. INDUSTRIAL ECONOMICS AN INTRODUCTORY TEXT BOOK. WILEY EASTERN, 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.