Dyfyniad APA

Langan, J. (2002). English skills with readings (5th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Langan, John. English Skills with Readings. 5th ed. Boston: McGraw-Hill, 2002.

Dyfyniad MLA

Langan, John. English Skills with Readings. 5th ed. McGraw-Hill, 2002.

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