Richard H Day. (1975). Adaptive Economic Models. academic.
शिकागो स्टाइल उद्धरणRichard H Day. Adaptive Economic Models. new york: academic, 1975.
एमएलए उद्धरणRichard H Day. Adaptive Economic Models. academic, 1975.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.