Singh, P. (1985). Enivronmental pollution and management. Chugh.
芝加哥风格引文Singh, Pramod. Enivronmental Pollution and Management. Allahabad: Chugh, 1985.
MLA引文Singh, Pramod. Enivronmental Pollution and Management. Chugh, 1985.
警告：这些引文格式不一定是100％准确.
APA引文