HAMILTON, J. T., BROWN, C. y MEDOFF, J., Employers Large and Small, Cambridge, Mass Harvard University Press, 1990.
HOFFMAN K., ZAGE D., NITA-ROTARU C., “A survey of Attack and defense Techniques for reputation systems”, ACM computing survey, núm. 42, 1,...
KAHN-FREUD, Labour and the Law, Stevens, 2nd ed., 1972, p. 8.
MARVIT, M., “How Crowdworkers became the ghosts in the digital machine”, The Nation, 2014 (disponible en https://www.thenation.com/article/how-crowdworkers-became-ghosts-digital-machine/,...
