Lua APA (7ú heag.)

Kohler, U., & Kreuter, F. (2012). Data analysis using stata (3rd ed.). Stata Press.

Lua i Stíl Chicago (17ú heag.)

Kohler, Ulrich, agus Frauke Kreuter. Data Analysis Using Stata. 3rd ed. College Station, Tex.: Stata Press, 2012.

Lua MLA (8ú heag.)

Kohler, Ulrich, agus Frauke Kreuter. Data Analysis Using Stata. 3rd ed. Stata Press, 2012.

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