Singh, R. (1977). Mathematical and statistical techniques (1st.). Sadhana Prakashan.
芝加哥风格引文Singh, R. Mathematical and Statistical Techniques. 1st. Bombay: Sadhana Prakashan, 1977.
MLA引文Singh, R. Mathematical and Statistical Techniques. 1st. Sadhana Prakashan, 1977.
警告：这些引文格式不一定是100％准确.