Lua APA (7ú heag.)
Giorgi, A., & Pianesi, F. (1997). Tense and aspect: From semantics to morphosyntax. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)
Giorgi, Alessandra, agus Fabio Pianesi. Tense and Aspect: From Semantics to Morphosyntax. New York: Oxford University Press, 1997.
Lua MLA (9ú heag.)
Giorgi, Alessandra, agus Fabio Pianesi. Tense and Aspect: From Semantics to Morphosyntax. Oxford University Press, 1997.
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