Dyfyniad APA

Crystal, D. (1969). Investigating English style. Longmans, green and co.

Dyfyniad Arddull Chicago

Crystal, David. Investigating English Style. London: Longmans, green and co, 1969.

Dyfyniad MLA

Crystal, David. Investigating English Style. Longmans, green and co, 1969.

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