APA Style
Walker, S. A.. (2010).
Variaton in linguistic systems .
New York:
Routledge.
Chicago Style
Walker, S. A..
Variaton in linguistic systems.
New York:
Routledge,
2010.
Text.
MLA Style
Walker, S. A..
Variaton in linguistic systems.
New York:
Routledge,
2010.
Text.
Turabian Style
Walker, S. A..
Variaton in linguistic systems.
New York:
Routledge,
2010.
Print.