PIMENTEL, David. Global economic and environmental aspects of biofuels [elektronický zdroj]. Boca Raton, FL : CRC Press, c2012. 1 online zdroj (xvii, 435 s.). Advances in agroecology ; 17. Available on Internet: <http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=440612> ISBN 9781439834640.