Dyfyniad APA
Williams, J. M., & Colomb, G. G. (1990). Style: Toward clarity and grace (ed.). The University of Chicago Press.
Dyfyniad Arddull Chicago
Williams, Joseph M., and Gregory G. Colomb. Style: Toward Clarity and Grace. ed. Chicago: The University of Chicago Press, 1990.
Dyfyniad MLA
Williams, Joseph M., and Gregory G. Colomb. Style: Toward Clarity and Grace. ed. The University of Chicago Press, 1990.
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