SPENCER, D. E. (1990). Studi guide parkin economics. Addison-Wesley Pub.
Citación estilo ChicagoSPENCER, David E. Studi Guide Parkin Economics. Reading: Addison-Wesley Pub, 1990.
Cita MLASPENCER, David E. Studi Guide Parkin Economics. Addison-Wesley Pub, 1990.
Warning: These citations may not always be 100% accurate.