Sugden, D. R. (2009). Gray markets: Prevention, detection, and litigation. Oxford University Press.
Citación estilo ChicagoSugden, David R. Gray Markets: Prevention, Detection, and Litigation. Oxford: Oxford University Press, 2009.
Cita MLASugden, David R. Gray Markets: Prevention, Detection, and Litigation. Oxford University Press, 2009.
Warning: These citations may not always be 100% accurate.