Cita APA (7a ed.)
Palmer, G. (2004). Writing Extra .: A resource book of multi-level skills activities (1a. ed.). Cambridge University Press.
Cita Chicago Style (17a ed.)
Palmer, Graham. Writing Extra .: A Resource Book of Multi-level Skills Activities. 1a. ed. New York , E. U: Cambridge University Press, 2004.
Cita MLA (9a ed.)
Palmer, Graham. Writing Extra .: A Resource Book of Multi-level Skills Activities. 1a. ed. Cambridge University Press, 2004.
Precaución: Estas citas no son 100% exactas.