Professional 's. (2019). The National Investigation Agency act 2008. Professional Book publishers.
芝加哥风格引文Professional 's. The National Investigation Agency Act 2008. Delhi: Professional Book publishers, 2019.
MLA引文Professional 's. The National Investigation Agency Act 2008. Professional Book publishers, 2019.
警告：这些引文格式不一定是100％准确.