Stata Corporation. (1985). Stata cross-sectional time series: Reference manual release 8. Stata Corporation.
Chicago-Zitierstil (17. Ausg.)Stata Corporation. Stata Cross-sectional Time Series: Reference Manual Release 8. College Station, Tex: Stata Corporation, 1985.
MLA-Zitierstil (9. Ausg.)Stata Corporation. Stata Cross-sectional Time Series: Reference Manual Release 8. Stata Corporation, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.