Cita APA (7th ed.)

StataCorp LP. (2007). Stata base reference manual: Release 10. Stata Press.

Cita Chicago (17th ed.)

StataCorp LP. Stata Base Reference Manual: Release 10. College Station, Tex: Stata Press, 2007.

Cita MLA (9th ed.)

StataCorp LP. Stata Base Reference Manual: Release 10. Stata Press, 2007.