Dyfyniad APA

Langan, J. (2009). Sentence skills: A workbook for writers : form B (8th ed.). McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Langan, John. Sentence Skills: A Workbook for Writers : Form B. 8th ed. Boston: McGraw-Hill Higher Education, 2009.

Dyfyniad MLA

Langan, John. Sentence Skills: A Workbook for Writers : Form B. 8th ed. McGraw-Hill Higher Education, 2009.

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