Pierce County Labor Centennial Committee (Pierce County, Wash.). (1989). To live in dignity: Pierce County labor, 1883-1989. The Committee.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPierce County Labor Centennial Committee (Pierce County, Wash.). To Live in Dignity: Pierce County Labor, 1883-1989. Tacoma, Wash.: The Committee, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPierce County Labor Centennial Committee (Pierce County, Wash.). To Live in Dignity: Pierce County Labor, 1883-1989. The Committee, 1989.
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