Não informado. (1979). Application note reference data book. Derivation and Tabulation Associates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Application Note Reference Data Book. Pine Brook, N.J: Derivation and Tabulation Associates, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Application Note Reference Data Book. Derivation and Tabulation Associates, 1979.
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