Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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