Sarkar, S. (2005). Einstein's universe: The challenge of dark energy.
芝加哥风格引文Sarkar, S. Einstein's Universe: The Challenge of Dark Energy. 2005.
MLA引文Sarkar, S. Einstein's Universe: The Challenge of Dark Energy. 2005.
警告：这些引文格式不一定是100％准确.
APA引文