Singh, B. (2012). Unseen: The Truth About India's Manual Scavengers. Penguin Books.
芝加哥风格引文Singh, Bhasha. Unseen: The Truth About India's Manual Scavengers. New Delhi: Penguin Books, 2012.
MLA引文Singh, Bhasha. Unseen: The Truth About India's Manual Scavengers. Penguin Books, 2012.
警告：这些引文格式不一定是100％准确.