Singh, R. P. B. (2011). Sacredscapes and pilgrimage systems Planet earth & cultural understanding.
芝加哥风格引文Singh, Rana P. B. "Sacredscapes and Pilgrimage Systems." Planet Earth & Cultural Understanding 2011.
MLA引文Singh, Rana P. B. "Sacredscapes and Pilgrimage Systems." Planet Earth & Cultural Understanding, 2011.
警告:这些引文格式不一定是100%准确.