Walker, M. (1991). New horizons in english 2 (3a. ed.). Nueva York: Addiso-Wesley.
Chicago Style CitationWalker, Michael. New Horizons in English 2. 3a. ed. Nueva York: Addiso-Wesley, 1991.
MLA CitationWalker, Michael. New Horizons in English 2. 3a. ed. Nueva York: Addiso-Wesley, 1991.
Warning: These citations may not always be 100% accurate.