Dyfyniad APA

Case Karl E., Fair Ray C., & Oster Sharon E. (2023). Principles of Macroeconomics (12th ed.). Pearson India.

Dyfyniad Arddull Chicago

Case Karl E., Fair Ray C., and Oster Sharon E. Principles of Macroeconomics. 12th ed. UP: Pearson India, 2023.

Dyfyniad MLA

Case Karl E., et al. Principles of Macroeconomics. 12th ed. Pearson India, 2023.

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