Donoghue, T. (2013). Karpal Singh: Tiger of Jelutong. Marshall Cavendish International.
芝加哥风格引文Donoghue, Tim. Karpal Singh: Tiger of Jelutong. Singapore: Marshall Cavendish International, 2013.
MLA引文Donoghue, Tim. Karpal Singh: Tiger of Jelutong. Marshall Cavendish International, 2013.
警告：这些引文格式不一定是100％准确.