(2015). EFFECTIVE HISTORY & CIVICS - CLASS 8 (6TH ED.). BEETA PUBLICATIONS 128.
芝加哥风格引文EFFECTIVE HISTORY & CIVICS - CLASS 8. 6TH ED. NEW DELHI: BEETA PUBLICATIONS 128, 2015.
MLA引文EFFECTIVE HISTORY & CIVICS - CLASS 8. 6TH ED. BEETA PUBLICATIONS 128, 2015.
警告：这些引文格式不一定是100％准确.