APA引文

Eckaus, R. S. (1977). Appropriate technologies for developing countries. National Academy of Sciences.

芝加哥风格引文

Eckaus, Richard S. Appropriate Technologies for Developing Countries. Washington: National Academy of Sciences, 1977.

MLA引文

Eckaus, Richard S. Appropriate Technologies for Developing Countries. National Academy of Sciences, 1977.

警告:这些引文格式不一定是100%准确.