APA (7e ed.) Bronvermelding

Brookings Institution, Washington, D,C. International Studies Group, & Opie, R. (1951). The search for peace settlements. s.n.

Chicago (17e ed.) Bronvermelding

Brookings Institution, Washington, D,C. International Studies Group, en Redvers Opie. The Search for Peace Settlements. Washington: s.n, 1951.

MLA (9e ed.) Bronvermelding

Brookings Institution, Washington, D,C. International Studies Group, en Redvers Opie. The Search for Peace Settlements. s.n, 1951.