Matthews, J. Seven spots and a squiggle: The prehistory of pictures / John Matthews. Origins of pictures : anthropological discourses in image science.(2013).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMatthews, John. "Seven Spots and a Squiggle: The Prehistory of Pictures / John Matthews." Origins of Pictures : Anthropological Discourses in Image Science.(2013) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रMatthews, John. "Seven Spots and a Squiggle: The Prehistory of Pictures / John Matthews." Origins of Pictures : Anthropological Discourses in Image Science.(2013), .
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.