APA (7 वां संस्करण) प्रशस्ति पत्र

De la Croix, D., & Doepke, M. (2002). Public versus private education when differential fertility matters. Center for Operations Research and Econometrics, Universite Catholique de Louvain.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

De la Croix, David, और Matthias Doepke. Public Versus Private Education When Differential Fertility Matters. Louvain-la-Neuve, Belgium: Center for Operations Research and Econometrics, Universite Catholique de Louvain, 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

De la Croix, David, और Matthias Doepke. Public Versus Private Education When Differential Fertility Matters. Center for Operations Research and Econometrics, Universite Catholique de Louvain, 2002.

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