Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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