STUDENT AID PUBLICATIONS. (1997). OPENINGS AFTER SCHOOL EDUCATION. SAP.
芝加哥风格引文STUDENT AID PUBLICATIONS. OPENINGS AFTER SCHOOL EDUCATION. DELHI: SAP, 1997.
MLA引文STUDENT AID PUBLICATIONS. OPENINGS AFTER SCHOOL EDUCATION. SAP, 1997.
警告：这些引文格式不一定是100％准确.