Biography Series. (2011). Bhagat Singh (Wilco Picture Library). Wilco.
芝加哥风格引文Biography Series. Bhagat Singh (Wilco Picture Library). Wilco, 2011.
MLA引文Biography Series. Bhagat Singh (Wilco Picture Library). Wilco, 2011.
警告：这些引文格式不一定是100％准确.
APA引文