Piper, J. (1963). John Piper - recent work: March - April 1963 / Marlborough Fine Art Limited.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPiper, John. John Piper - Recent Work: March - April 1963 / Marlborough Fine Art Limited. London, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPiper, John. John Piper - Recent Work: March - April 1963 / Marlborough Fine Art Limited. 1963.
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