Williams, E. B. (1962). From Latin to Portuguese: Historical phonology and morphology of the Portuguese language (2. ed.). Univ. of Pennsylvania Press.
Chicago-Zitierstil (17. Ausg.)Williams, Edwin B. From Latin to Portuguese: Historical Phonology and Morphology of the Portuguese Language. 2. ed. Philadelphia: Univ. of Pennsylvania Press, 1962.
MLA-Zitierstil (9. Ausg.)Williams, Edwin B. From Latin to Portuguese: Historical Phonology and Morphology of the Portuguese Language. 2. ed. Univ. of Pennsylvania Press, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.