@book{4480,
	author = {Bernanke, Ben S.},
	title = {Principles of macroeconomics},
	publisher = {McGraw Hill},
	year = {2007},
	address = {New York},
	url = {https://libgen.is/book/index.php?md5=D39A0364A0C9F3DD593FDC46AC3EAFB4}
}