Learned, E. (1950). Old Portuguese vocalic finals: Phonology and orthography of accented -ou, -eu, -iu and -ao, -io. Linguistic Society of America.
Chicagoスタイル(17版)引用形式Learned, Erma. Old Portuguese Vocalic Finals: Phonology and Orthography of Accented -ou, -eu, -iu and -ao, -io. Baltimore: Linguistic Society of America, 1950.
MLA(9版)引用形式Learned, Erma. Old Portuguese Vocalic Finals: Phonology and Orthography of Accented -ou, -eu, -iu and -ao, -io. Linguistic Society of America, 1950.
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