APA引文

Freeman, C. (1962). The research and development effort in Western Europe, North America and the Soviet Union. Paris: Organisation for Economic Co-operation and Development.

Trích dẫn kiểu Chicago

Freeman, C. The Research and Development Effort in Western Europe, North America and the Soviet Union. Paris: Organisation for Economic Co-operation and Development, 1962.

MLA引文

Freeman, C. The Research and Development Effort in Western Europe, North America and the Soviet Union. Paris: Organisation for Economic Co-operation and Development, 1962.

警告:这些引文格式不一定是100%准确.