Stata Corporation. StataQuest: Text companion. Belmont, Calif: Duxbury Press.
शिकागो स्टाइल उद्धरणStata Corporation. StataQuest: Text Companion. Belmont, Calif: Duxbury Press.
एमएलए उद्धरणStata Corporation. StataQuest: Text Companion. Belmont, Calif: Duxbury Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.