Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.