Cita APA (7a ed.)

Safari Tech Books Online & Alhir, S. S. A. (2003). Learning UML. O'Reilly Media Incorporated.

Cita Chicago Style (17a ed.)

Safari Tech Books Online y Sinan Si Author Alhir. Learning UML. [Place of publication not identified]: O'Reilly Media Incorporated, 2003.

Cita MLA (9a ed.)

Safari Tech Books Online y Sinan Si Author Alhir. Learning UML. O'Reilly Media Incorporated, 2003.