Professional Book Publishers. (2019). The Maintenance and Welfare of Parents and Senior Citizens Act, 2007 (56 of 2007). Professional Book Publishers.
芝加哥风格引文Professional Book Publishers. The Maintenance and Welfare of Parents and Senior Citizens Act, 2007 (56 of 2007). New Delhi: Professional Book Publishers, 2019.
MLA引文Professional Book Publishers. The Maintenance and Welfare of Parents and Senior Citizens Act, 2007 (56 of 2007). Professional Book Publishers, 2019.
警告：这些引文格式不一定是100％准确.