Cita APA

Charles, A., Grant, D., Hubbard, J., Durant, R., & Torn, C. (2009). Text building skills in english Book 3. Oxford: Heinemann.

Citación estilo Chicago

Charles, Annabel, David Grant, Julia Hubbard, Richard Durant, and Cindy Torn. Text Building Skills in English Book 3. Oxford: Heinemann, 2009.

Cita MLA

Charles, Annabel, et al. Text Building Skills in English Book 3. Oxford: Heinemann, 2009.