APA引文

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

芝加哥风格引文

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

MLA引文

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

警告:这些引文格式不一定是100%准确.