ROFF, J. T. (2006). UML: A BEGINNER'S GUIDE. TMH.
Cita Chicago (17th ed.)ROFF, J T. UML: A BEGINNER'S GUIDE. NEW DELHI: TMH, 2006.
Cita MLA (9th ed.)ROFF, J T. UML: A BEGINNER'S GUIDE. TMH, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.