APA引文

Graedel, T. On the future availability of the energy metals.

Trích dẫn kiểu Chicago

Graedel, T.E. On the Future Availability of the Energy Metals.

MLA引文

Graedel, T.E. On the Future Availability of the Energy Metals.

警告：這些引文格式不一定是100％准確.