WILLIAMSON HEATHER. (2009). XML: COMPLETE REFERENCE. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
芝加哥风格引文WILLIAMSON HEATHER. XML: COMPLETE REFERENCE. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.
MLA引文WILLIAMSON HEATHER. XML: COMPLETE REFERENCE. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.
警告：这些引文格式不一定是100％准确.