Παραπομπή σε μορφή APA (7η εκδ.)

Bybee, J. L., Pagliuca, W., & Perkins, R. (1994). The evolution of grammar: Tense, aspect, and modality in the languages of the world. The University of Chicago Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bybee, Joan L., William Pagliuca, και Revere Perkins. The Evolution of Grammar: Tense, Aspect, and Modality in the Languages of the World. Chicago: The University of Chicago Press, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Bybee, Joan L., et al. The Evolution of Grammar: Tense, Aspect, and Modality in the Languages of the World. The University of Chicago Press, 1994.