StataCorp LP. (2007). Mata reference manual: Release 10. StataCorp LP.
Lua i Stíl Chicago (17ú heag.)StataCorp LP. Mata Reference Manual: Release 10. College Station, Tex: StataCorp LP, 2007.
Lua MLA (9ú heag.)StataCorp LP. Mata Reference Manual: Release 10. StataCorp LP, 2007.
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