Cita APA (7th ed.)

Enke, S., & Salera, V. (1957). International economics (3rd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Enke, Stephen, i Virgil Salera. International Economics. 3rd ed. Englewood Cliffs, N.J.: Prentice-Hall, 1957.

Cita MLA (8th ed.)

Enke, Stephen, i Virgil Salera. International Economics. 3rd ed. Prentice-Hall, 1957.