Professionals. (2019). Geographical Indications of Goods Act 1999. Professional Book.
芝加哥风格引文Professionals. Geographical Indications of Goods Act 1999. Delhi: Professional Book, 2019.
MLA引文Professionals. Geographical Indications of Goods Act 1999. Professional Book, 2019.
警告：这些引文格式不一定是100％准确.