APA aipamena

Hancock, L. E., & Mitchell, C. R. (2007). Zones of peace. Kumarian Press.

Chicago Style aipamena

Hancock, Landon E., and C. R. Mitchell. Zones of Peace. Bloomfield, CT: Kumarian Press, 2007.

MLA aipamena

Hancock, Landon E., and C. R. Mitchell. Zones of Peace. Kumarian Press, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.