PLA-BARBER, José a ALEGRE, Joaquín. Reshaping the boundaries of the firm in an era of global interdependence. Progress in international business research. Bingley, U.K.: Emerald, 2010. ISBN 9780857240880. Dostupné také z: https://proxy.k.utb.cz/login?url=http://www.emeraldinsight.com/1745-8862/5.