Cita APA (7th ed.)

Schiller, B. R., & Gebhardt, K. (2019). The economy today (15e [edition].). McGraw-Hill Education.

Cita Chicago (17th ed.)

Schiller, Bradley R., i Karen Gebhardt. The Economy Today. 15e [edition]. New York, NY: McGraw-Hill Education, 2019.

Cita MLA (9th ed.)

Schiller, Bradley R., i Karen Gebhardt. The Economy Today. 15e [edition]. McGraw-Hill Education, 2019.