Wold, H. O. e., & Wold, H. O. (1964). Econometric Model Building: Essays on the causal chain approach. North-Holland Pub. Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWold, Herman O.A. ed, और Herman O.A Wold. Econometric Model Building: Essays on the Causal Chain Approach. North-Holland Pub. Co, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWold, Herman O.A. ed, और Herman O.A Wold. Econometric Model Building: Essays on the Causal Chain Approach. North-Holland Pub. Co, 1964.
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