APA aipamena

NORDHAUS WILLAM D. (1985). ECONOMICS (12.). MCGRAW-HILL.

Chicago Style aipamena

NORDHAUS WILLAM D. ECONOMICS. 12. NEW YORK: MCGRAW-HILL, 1985.

MLA aipamena

NORDHAUS WILLAM D. ECONOMICS. 12. MCGRAW-HILL, 1985.