APA
Yip M. J. W.,, . (2002). Tone. New York: Cambridge University Press.
Chicago
Yip Moira Jean Winsland,, . 2002. Tone. New York: Cambridge University Press.
Harvard
Yip M. J. W.,, . (2002). Tone. New York: Cambridge University Press.
MLA
Yip Moira Jean Winsland,, . Tone. New York: Cambridge University Press. 2002.