BB | Evans, Virginia, Dooley, Jenny, Blum, Ellen (2014): Environmental Science. Newbury: Express Publishing |
BB | Harrison, Richard. Better writing : a step-by-step approach to improving writing skills / Richard Harrison. 1st. ed., 1st. rep. Reading : Garnet Publishing, 2015 (rep. 2014) |
BC | Bell, Douglas. Passport to Academic Presentations. Student's Book / Douglas Bell. 1st ed. Reading, UK : Garnet, 2008 |
BC | Burton, Graham. Presenting : deliver presentations with confidence / Graham Burton. London : HarperCollins, cop. 2013 |
LISTADO DE URLs: | |
Cambridge Dictionary Online [https://dictionary.cambridge.org/es] |