Cita APA (7th ed.)

O'Donnell, T. D., & Paiva, J. L. (1993). Independent writing. Heinle & Heinle.

Cita Chicago (17th ed.)

O'Donnell, Teresa D., i Judith L. Paiva. Independent Writing. Boston: Heinle & Heinle, 1993.

Cita MLA (9th ed.)

O'Donnell, Teresa D., i Judith L. Paiva. Independent Writing. Heinle & Heinle, 1993.