Professional Book Publishers. (2019). The Employment Exchanges (Compulsory Notification of Vacancies) Act, 1959 (31 of 1959). Professional Book Publishers.
芝加哥风格引文Professional Book Publishers. The Employment Exchanges (Compulsory Notification of Vacancies) Act, 1959 (31 of 1959). New Delhi: Professional Book Publishers, 2019.
MLA引文Professional Book Publishers. The Employment Exchanges (Compulsory Notification of Vacancies) Act, 1959 (31 of 1959). Professional Book Publishers, 2019.
警告：这些引文格式不一定是100％准确.