Hancock, L. E., & Mitchell, C. R. (2007). Zones of peace. Kumarian Press.
Dyfyniad Arddull ChicagoHancock, Landon E., and C. R. Mitchell. Zones of Peace. Bloomfield, CT: Kumarian Press, 2007.
Dyfyniad MLAHancock, Landon E., and C. R. Mitchell. Zones of Peace. Kumarian Press, 2007.
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