Crystal D. David. (1997). English as a Global Language. New York, Cambridge University Press, 1997.
Chicago Style (17th ed.) CitationCrystal D. David. English as a Global Language. New York, Cambridge University Press, 1997, 1997.
MLA (9th ed.) CitationCrystal D. David. English as a Global Language. New York, Cambridge University Press, 1997, 1997.
Warning: These citations may not always be 100% accurate.