Cita APA (7th ed.)

Olson, D. R., & Torrance, N. (1991). Literacy and orality. Cambridge University.

Cita Chicago (17th ed.)

Olson, David R., i Nancy Torrance. Literacy and Orality. Cambridge: Cambridge University, 1991.

Cita MLA (9th ed.)

Olson, David R., i Nancy Torrance. Literacy and Orality. Cambridge University, 1991.