Cita APA (7th ed.)

Slavin, S. L. (1989). Introduction to economics. Richard D. Irwin.

Cita Chicago (17th ed.)

Slavin, Stephen L. Introduction to Economics. Homewood: Richard D. Irwin, 1989.

Cita MLA (9th ed.)

Slavin, Stephen L. Introduction to Economics. Richard D. Irwin, 1989.