VAUGHAN, Terry A. - RYAN, James M. - CZAPLEWSKI, Nicholas J. Mammalogy. 6th edition. Burlington : Jones & Bartlett, [2015]. 1 online zdroj. Dostupné na internetu: <http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=755009> ISBN 978-1-284-03218-5.