Cita APA (7th ed.)
Ribes, R., Garcia-Gimeno, I., & Jones, R. (2008). Primary care English. Springer.
Cita Chicago (17th ed.)
Ribes, Ramón, Isabel Garcia-Gimeno, i Roger Jones. Primary Care English. Berlin: Springer, 2008.
Cita MLA (9th ed.)
Ribes, Ramón, et al. Primary Care English. Springer, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.