Professional. (2004). The Patent Act-1970. Professional.
芝加哥风格引文Professional. The Patent Act-1970. New Delhi: Professional, 2004.
MLA引文Professional. The Patent Act-1970. Professional, 2004.
警告：这些引文格式不一定是100％准确.
APA引文
Professional. (2004). The Patent Act-1970. Professional.
芝加哥风格引文Professional. The Patent Act-1970. New Delhi: Professional, 2004.
MLA引文Professional. The Patent Act-1970. Professional, 2004.