Cita APA (7th ed.)

Tomasello, M. (1992). First verbs: A case study of early grammatical development. Cambridge University Press.

Cita Chicago (17th ed.)

Tomasello, Michael. First Verbs: A Case Study of Early Grammatical Development. Cambridge: Cambridge University Press, 1992.

Cita MLA (9th ed.)

Tomasello, Michael. First Verbs: A Case Study of Early Grammatical Development. Cambridge University Press, 1992.