@book{331641, author = {Busch, David D.}, title = {David Busch's Canon EOS Rebel XSi/450D guide to digital SLR photography}, publisher = {Course Technology PTR,}, year = {c2009.}, address = {Boston, MA :}, note = {Includes index.}, url = {http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=263444} }