De la Cueva, S. P. Government expenditures for education. -- 1969.
芝加哥风格引文De la Cueva, Sylvia P. Government Expenditures for Education. -- 1969.
MLA引文De la Cueva, Sylvia P. Government Expenditures for Education. -- 1969.
警告：这些引文格式不一定是100％准确.
APA引文