@book{63725,
	author = {Burawoy, Michael},
	title = {The extended case method  four countries, four decades, four great transformations, and one theoretical tradition},
	publisher = {University of California Press},
	year = {2009},
	address = {Berkeley (California, Estados Unidos)},
	url = {http://www.loc.gov/catdir/toc/fy0904/2008034393.html}
}