Cita APA

Charles, A., Grant, D., Custance, S., Hubbard, J., Menon, E., & Torn, C. (2008). Text building skills in english Book 2. Oxford: Heinemann.

Citación estilo Chicago

Charles, Annabel, David Grant, Sam Custance, Julia Hubbard, Esther Menon, and Cindy Torn. Text Building Skills in English Book 2. Oxford: Heinemann, 2008.

Cita MLA

Charles, Annabel, et al. Text Building Skills in English Book 2. Oxford: Heinemann, 2008.