APA aipamena

NORDHAUS WILLAM D. (1992). ECONOMICS (14.). MCGRAW-HILL.

Chicago Style aipamena

NORDHAUS WILLAM D. ECONOMICS. 14. NEW YORK: MCGRAW-HILL, 1992.

MLA aipamena

NORDHAUS WILLAM D. ECONOMICS. 14. MCGRAW-HILL, 1992.