APA-viite (7. p.)
Costa, J. (2004). Subject positions and interfaces: The case of European Portuguese. Mouton de Gruyter.
Chicago-viite (17. p.)
Costa, João. Subject Positions and Interfaces: The Case of European Portuguese. New York: Mouton de Gruyter, 2004.
MLA-viite (9. p.)
Costa, João. Subject Positions and Interfaces: The Case of European Portuguese. Mouton de Gruyter, 2004.
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