APA (7e ed.) Bronvermelding

(1949). The world at work: The economic and social efforts of the United Nations and the specialized agencies. Chicago: Rotary International.

Chicago (17e ed.) Bronvermelding

The World at Work: The Economic and Social Efforts of the United Nations and the Specialized Agencies. Chicago: Rotary International, 1949.

MLA (8e ed.) Bronvermelding

The World at Work: The Economic and Social Efforts of the United Nations and the Specialized Agencies. Chicago: Rotary International, 1949.