StataCorp LP. (2007). Mata reference manual: Release 10. StataCorp LP.
Cita Chicago (17th ed.)StataCorp LP. Mata Reference Manual: Release 10. College Station, Tex: StataCorp LP, 2007.
Cita MLA (9th ed.)StataCorp LP. Mata Reference Manual: Release 10. StataCorp LP, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.