@book{30011,
	author = {Armstrong, Michael},
	title = {Armstrong's handbook of human resource management practice},
	publisher = {Kogan Page,},
	year = {c2009.},
	address = {London :},
	edition = {11th ed.},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio6201133}
}