Kovac, J. (2009). Refusing war, affirming peace: A history of Civilian Public Service Camp #21 at Cascade Locks. Oregon State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKovac, Jeffrey. Refusing War, Affirming Peace: A History of Civilian Public Service Camp #21 at Cascade Locks. Corvallis, Or.: Oregon State University Press, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKovac, Jeffrey. Refusing War, Affirming Peace: A History of Civilian Public Service Camp #21 at Cascade Locks. Oregon State University Press, 2009.
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