APA引文

KHALID, M. (2012). STATISTICAL METHODS IN ECONOMICS.

芝加哥风格引文

KHALID, M.M. STATISTICAL METHODS IN ECONOMICS. DELHI, 2012.

MLA引文

KHALID, M.M. STATISTICAL METHODS IN ECONOMICS. 2012.

警告：这些引文格式不一定是100％准确.