National Academy of Sciences. (1979). Science and technology. San Francisco: W. H. Freeman and Company.
Trích dẫn kiểu ChicagoNational Academy of Sciences. Science and Technology. San Francisco: W. H. Freeman and Company, 1979.
MLA引文National Academy of Sciences. Science and Technology. San Francisco: W. H. Freeman and Company, 1979.
警告:这些引文格式不一定是100%准确.