APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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