Cita APA (7th ed.)

Herbert,Giersch. (1989). Services in world economic growth: Symposium 1988. Westview.

Cita Chicago (17th ed.)

Herbert,Giersch. Services in World Economic Growth: Symposium 1988. Boulder: Westview, 1989.

Cita MLA (9th ed.)

Herbert,Giersch. Services in World Economic Growth: Symposium 1988. Westview, 1989.