Learned, E. (1950). Old Portuguese vocalic finals: Phonology and orthography of accented -ou, -eu, -iu and -ao, -io. Linguistic Society of America.
Chicago Style (17th ed.) CitationLearned, Erma. Old Portuguese Vocalic Finals: Phonology and Orthography of Accented -ou, -eu, -iu and -ao, -io. Baltimore: Linguistic Society of America, 1950.
MLA (9th ed.) CitationLearned, Erma. Old Portuguese Vocalic Finals: Phonology and Orthography of Accented -ou, -eu, -iu and -ao, -io. Linguistic Society of America, 1950.
Warning: These citations may not always be 100% accurate.