Professional Book Publishers. (2019). The Unlawful Activities (Prevention) Act, 1967 (37 of 1967). Professional Book Publishers.
芝加哥风格引文Professional Book Publishers. The Unlawful Activities (Prevention) Act, 1967 (37 of 1967). New Delhi: Professional Book Publishers, 2019.
MLA引文Professional Book Publishers. The Unlawful Activities (Prevention) Act, 1967 (37 of 1967). Professional Book Publishers, 2019.
警告：这些引文格式不一定是100％准确.