APA (7e ed.) Bronvermelding

Willetts, P. (1996). The conscience of the world: The influence of non-governmental organisations in the UN system. Brookings Institution for the David Davies Memorial Institute of International Studies, London.

Chicago (17e ed.) Bronvermelding

Willetts, Peter. The Conscience of the World: The Influence of Non-governmental Organisations in the UN System. Washington, DC: Brookings Institution for the David Davies Memorial Institute of International Studies, London, 1996.

MLA (9e ed.) Bronvermelding

Willetts, Peter. The Conscience of the World: The Influence of Non-governmental Organisations in the UN System. Brookings Institution for the David Davies Memorial Institute of International Studies, London, 1996.