Rogers, W. A. (1977). Aboriginal decorative art on sacred churinga and bull-roarers. [Central North Coast Newspaper Co.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRogers, William A. Aboriginal Decorative Art on Sacred Churinga and Bull-roarers. Coffs Harbour, N.S.W.: [Central North Coast Newspaper Co.], 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRogers, William A. Aboriginal Decorative Art on Sacred Churinga and Bull-roarers. [Central North Coast Newspaper Co.], 1977.
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