Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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