Cita APA (7th ed.)

Snider, D. A. (1979). Introduction to international economics (7a. ed.). Richard D. Irwin.

Cita Chicago (17th ed.)

Snider, Delbert A. Introduction to International Economics. 7a. ed. Homewood: Richard D. Irwin, 1979.

Cita MLA (9th ed.)

Snider, Delbert A. Introduction to International Economics. 7a. ed. Richard D. Irwin, 1979.