William B. Lee & Sivell, J. (2000). French elementary education and the ecole moderne. Phi Delta Kappa Educational Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliam B. Lee और John Sivell. French Elementary Education and the Ecole Moderne. Indiana: Phi Delta Kappa Educational Foundation, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilliam B. Lee और John Sivell. French Elementary Education and the Ecole Moderne. Phi Delta Kappa Educational Foundation, 2000.
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