SINGH RAVISHANKAR KUMAR. (2005). POVERTY AND SUSTAIBABLR DEVELOPMENT VOL.2. ABHIJEET PUBLICATIONS.
芝加哥风格引文SINGH RAVISHANKAR KUMAR. POVERTY AND SUSTAIBABLR DEVELOPMENT VOL.2. DELHI: ABHIJEET PUBLICATIONS, 2005.
MLA引文SINGH RAVISHANKAR KUMAR. POVERTY AND SUSTAIBABLR DEVELOPMENT VOL.2. ABHIJEET PUBLICATIONS, 2005.
警告：这些引文格式不一定是100％准确.