Cita APA (7th ed.)

Case Karle E. (2018). Principles Of Economics (12.). Pearson.

Cita Chicago (17th ed.)

Case Karle E. Principles Of Economics. 12. Noida: Pearson, 2018.

Cita MLA (9th ed.)

Case Karle E. Principles Of Economics. 12. Pearson, 2018.