Caldecott, R. (1880). Sing a song for sixpence: One of R. Caldecott's picture books. G. Routledge and Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCaldecott, Randolph. Sing a Song for Sixpence: One of R. Caldecott's Picture Books. [London]: G. Routledge and Sons, 1880.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCaldecott, Randolph. Sing a Song for Sixpence: One of R. Caldecott's Picture Books. G. Routledge and Sons, 1880.
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