LLURDA, Enric. Non-native language teachers. [Boston] : Springer Science & Business Media, [2005]. ©2005. 1 online zdroj (xii, 314 stran). Educational linguistics ; 5. Dostupné na internetu: <http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=145266> ISBN 978-0-387-24565-2.