Cita APA

Howard-Williams, D., Tomalin, M., & Watcyn-Jones, P. Instant lessons 1. Elementary.

Citación estilo Chicago

Howard-Williams, Deirdre, Mary Tomalin, and Peter Watcyn-Jones. Instant Lessons 1. Elementary.

Cita MLA

Howard-Williams, Deirdre, et al. Instant Lessons 1. Elementary.