Cita APA (7th ed.)

SAMUELSON PAUL; NORDHAUS WILLAM D. (2023). ECONOMICS (20TH.). MCGRAW-HILL EDUCATION (I) PVT LIMITED.

Cita Chicago (17th ed.)

SAMUELSON PAUL; NORDHAUS WILLAM D. ECONOMICS. 20TH. MCGRAW-HILL EDUCATION (I) PVT LIMITED, 2023.

Cita MLA (9th ed.)

SAMUELSON PAUL; NORDHAUS WILLAM D. ECONOMICS. 20TH. MCGRAW-HILL EDUCATION (I) PVT LIMITED, 2023.

Atenció: Aquestes cites poden no estar 100% correctes.