John Langan. (1999). Sentence skills: A workbook for writers - 6th edition. Usa: Mcgraw Hill.
Chicago Style CitationJohn Langan. Sentence Skills: A Workbook for Writers - 6th Edition. Usa: Mcgraw Hill, 1999.
MLA CitationJohn Langan. Sentence Skills: A Workbook for Writers - 6th Edition. Usa: Mcgraw Hill, 1999.
Warning: These citations may not always be 100% accurate.