Cita APA (7th ed.)

Fels, G., & Von Furstenberg, G. M. (1989). A Supply-side agenda for Germany: Sparks from the United States, Great Britain, European integration. Springer-Verlag.

Cita Chicago (17th ed.)

Fels, Gerhard, i George M. Von Furstenberg. A Supply-side Agenda for Germany: Sparks from the United States, Great Britain, European Integration. Berlin: Springer-Verlag, 1989.

Cita MLA (9th ed.)

Fels, Gerhard, i George M. Von Furstenberg. A Supply-side Agenda for Germany: Sparks from the United States, Great Britain, European Integration. Springer-Verlag, 1989.