Cowper, S., & Marson, J. (1699). The tryal of Spencer Cowper, Esq., John Marson, Ellis Stevens and William Rogers, Gent.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowper, Spencer, और John Marson. The Tryal of Spencer Cowper, Esq., John Marson, Ellis Stevens and William Rogers, Gent. London, 1699.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCowper, Spencer, और John Marson. The Tryal of Spencer Cowper, Esq., John Marson, Ellis Stevens and William Rogers, Gent. 1699.
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