Cita APA (7a ed.)

Sachs , I. (1964). Planning and Economic Development. PWN.

Cita Chicago Style (17a ed.)

Sachs , Ignacy. Planning and Economic Development. Warsaw: PWN, 1964.

Cita MLA (9a ed.)

Sachs , Ignacy. Planning and Economic Development. PWN, 1964.

Precaución: Estas citas no son 100% exactas.