Professional. (2019). Payment of Gratuity Act, 1972 alongwith Rules, 1972. Professional Book Publishers.
芝加哥风格引文Professional. Payment of Gratuity Act, 1972 Alongwith Rules, 1972. Professional Book Publishers, 2019.
MLA引文Professional. Payment of Gratuity Act, 1972 Alongwith Rules, 1972. Professional Book Publishers, 2019.
警告：这些引文格式不一定是100％准确.