Cita APA (7th ed.)

WILLIAMSON HEATHER. (2009). XML: COMPLETE REFERENCE. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Cita Chicago (17th ed.)

WILLIAMSON HEATHER. XML: COMPLETE REFERENCE. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.

Cita MLA (9th ed.)

WILLIAMSON HEATHER. XML: COMPLETE REFERENCE. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.