Twelker, N. J. (1988). Women and their quilts: A Washington State centennial tribute. That Patchwork Place.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTwelker, Nancyann Johanson. Women and Their Quilts: A Washington State Centennial Tribute. Bothell, WA.: That Patchwork Place, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTwelker, Nancyann Johanson. Women and Their Quilts: A Washington State Centennial Tribute. That Patchwork Place, 1988.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.