@book{98300,
	author = {Gide, Charles and Veditz, Charles William August},
	title = {Principles of political economy /},
	publisher = {D.C. Heath and Co.,},
	year = {1907.},
	address = {London :},
	edition = {2nd english ed. /},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio9690217}
}