Cita APA (7a ed.)

Stata Corporation. (2009). Stata survey data reference manual release 11. Stata Press.

Cita Chicago Style (17a ed.)

Stata Corporation. Stata Survey Data Reference Manual Release 11. College Station, Tex.: Stata Press, 2009.

Cita MLA (9a ed.)

Stata Corporation. Stata Survey Data Reference Manual Release 11. Stata Press, 2009.