Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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