@book{213403,
	author = {Busch, David D. and White, Alexander S. and ebrary, Inc.},
	title = {David Busch's Canon Powershot G10/G11},
	publisher = {Course Technology,},
	year = {2011.},
	address = {Boston :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10370097}
}