Jung Bahadur, N. S. Y. (1947). Hazrat Abu Bakr: The first caliph of. Ashraf.
芝加哥风格引文Jung Bahadur, Nawab Sadr Yar. Hazrat Abu Bakr: The First Caliph of. Lahore: Ashraf, 1947.
MLA引文Jung Bahadur, Nawab Sadr Yar. Hazrat Abu Bakr: The First Caliph of. Ashraf, 1947.
警告：这些引文格式不一定是100％准确.