Cita APA

Harmer, L. C., Rickard, P., & Combe, T. G. S. (1979). Uncertainties in French grammar. Cambridge University Press.

Citación estilo Chicago

Harmer, L. C., Peter Rickard, and Thomas G. S. Combe. Uncertainties in French Grammar. Cambridge [Eng.] ; New York: Cambridge University Press, 1979.

Cita MLA

Harmer, L. C., et al. Uncertainties in French Grammar. Cambridge University Press, 1979.