BHUSHAN, C. (2013). DO AND LEARN SOCIALLY USEFUL PRODUCTIVE WORK - BOOK 6. PITAMBAR PUBLICATIONS.
芝加哥风格引文BHUSHAN, CHANDRA. DO AND LEARN SOCIALLY USEFUL PRODUCTIVE WORK - BOOK 6. PITAMBAR PUBLICATIONS, 2013.
MLA引文BHUSHAN, CHANDRA. DO AND LEARN SOCIALLY USEFUL PRODUCTIVE WORK - BOOK 6. PITAMBAR PUBLICATIONS, 2013.
警告：这些引文格式不一定是100％准确.