PROFESSIONAL BOOK HOUSE. (2013). THE COPYRIGHT ACT, 1957. PROFESSIONAL BOOK HOUSE.
芝加哥风格引文PROFESSIONAL BOOK HOUSE. THE COPYRIGHT ACT, 1957. DELHI: PROFESSIONAL BOOK HOUSE, 2013.
MLA引文PROFESSIONAL BOOK HOUSE. THE COPYRIGHT ACT, 1957. PROFESSIONAL BOOK HOUSE, 2013.
警告：这些引文格式不一定是100％准确.