Professional. (2019). Industries (Development & Regulation) Act, 1951. Professional Book Publishers.
芝加哥风格引文Professional. Industries (Development & Regulation) Act, 1951. Professional Book Publishers, 2019.
MLA引文Professional. Industries (Development & Regulation) Act, 1951. Professional Book Publishers, 2019.
警告：这些引文格式不一定是100％准确.