Eastern Book Company. Apprentices Act, 1961 (19th.). Eastern Book Company.
芝加哥风格引文Eastern Book Company. Apprentices Act, 1961. 19th. lucknow lucknow: Eastern Book Company.
MLA引文Eastern Book Company. Apprentices Act, 1961. 19th. Eastern Book Company.
警告：这些引文格式不一定是100％准确.