LIBECAP, Gary D. Intellectual property and entrepreneurship. Advances in the study of entrepreneurship, innovation and economic growth. Bingley, U.K.: Emerald, 2004. ISBN 9781849502658. Dostupné také z: https://proxy.k.utb.cz/login?url=https://doi.org/10.1016/S1048-4736(2004)15.