Bybee, Joan L., Revere Perkins, and William Pagliuca (1994)The Evolution of Grammar: Tense, Aspect, and Modality in the Languages of the World. University of Chicago Press.
Comrie, Bernard (1985)Tense. Cambridge University Press. [ISBN 0-521-28138-5]
Guillaume, Gustave (1929)Temps et verbe. Paris: Champion.
Hopper, Paul J., ed. (1982)Tense–Aspect: Between Semantics and Pragmatics. Amsterdam: Benjamins.
Smith, Carlota (1997). The Parameter of Aspect. Dordrecht: Kluwer.
Tedeschi, Philip, and Anne Zaenen, eds. (1981)Tense and Aspect. (Syntax and Semantics 14). New York: Academic Press.
