(1949). The world at work: The economic and social efforts of the United Nations and the specialized agencies. Chicago: Rotary International.
芝加哥风格引文The World at Work: The Economic and Social Efforts of the United Nations and the Specialized Agencies. Chicago: Rotary International, 1949.
MLA引文The World at Work: The Economic and Social Efforts of the United Nations and the Specialized Agencies. Chicago: Rotary International, 1949.
警告：这些引文格式不一定是100％准确.