Gaya APA

(editor), S., Jung, W, (. (1991). Social market economy : an economic system for developing countries (2nd.ed.). Sank Augustin: Academia-Verl. Richarz.

Gaya MLA

(editor), Stiftung., Jung, Winfried, (editor). "Social market economy : an economic system for developing countries". 2nd.ed. Sank Augustin: Academia-Verl. Richarz, 1991. Text.