Gray David E. (2009). Doing Research in the Real World (2nd.). Sage Pub.
Citación estilo ChicagoGray David E. Doing Research in the Real World. 2nd. London: Sage Pub, 2009.
Cita MLAGray David E. Doing Research in the Real World. 2nd. Sage Pub, 2009.
Warning: These citations may not always be 100% accurate.