@book{2421,
	author = {Allen, Bruce W.},
	title = {Managerial economics},
	publisher = {W. W. Norton & Company},
	year = {2009},
	address = {New York},
	edition = {7th},
	url = {https://libgen.is/book/index.php?md5=646B6313F708009A42C42B826B1464AE}
}