Kaufmann, W. J. (1973). Relativity and cosmology. Harper & Row.
芝加哥风格引文Kaufmann, William J. Relativity and Cosmology. New York: Harper & Row, 1973.
MLA引文Kaufmann, William J. Relativity and Cosmology. Harper & Row, 1973.
警告:这些引文格式不一定是100%准确.
Kaufmann, W. J. (1973). Relativity and cosmology. Harper & Row.
芝加哥风格引文Kaufmann, William J. Relativity and Cosmology. New York: Harper & Row, 1973.
MLA引文Kaufmann, William J. Relativity and Cosmology. Harper & Row, 1973.