Ramat, P. (1987). Linguistic typology. Mouton de Gruyter.
Tohutoru Kātū Chicago (17th ed.)Ramat, Paolo. Linguistic Typology. Berlin ; New York: Mouton de Gruyter, 1987.
Tohutoro MLA (9th ed.)Ramat, Paolo. Linguistic Typology. Mouton de Gruyter, 1987.
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