Cita APA

Sachs, I. (1967). Obstacles to growth: Democraphic, economic and social. Polish Scientific Publ.

Citación estilo Chicago

Sachs, Ignacy. Obstacles to Growth: Democraphic, Economic and Social. Warszawa: Polish Scientific Publ, 1967.

Cita MLA

Sachs, Ignacy. Obstacles to Growth: Democraphic, Economic and Social. Polish Scientific Publ, 1967.