Bybee, J. 1., Pagliuca, W., & Perkins, R. (1994). The evolution of grammar: Tense, aspect, and modality in the languages of the world. Chicago & London: The University of Chicago Press.
Chicago Style CitationBybee, Joan 1945-, William Pagliuca, and Revere Perkins. The Evolution of Grammar: Tense, Aspect, and Modality in the Languages of the World. Chicago & London: The University of Chicago Press, 1994.
MLA CitationBybee, Joan 1945-, William Pagliuca, and Revere Perkins. The Evolution of Grammar: Tense, Aspect, and Modality in the Languages of the World. Chicago & London: The University of Chicago Press, 1994.
Warning: These citations may not always be 100% accurate.