Sen Gupta, S. (1980). Sacred trees across cultures and nations: A new search for greater understanding of tradition, religious symbols, medicinal plants, and the tree of life from socio-folkloro-logical points of view. Indian Publications.
Chicago-viite (17. p.)Sen Gupta, Sankar. Sacred Trees Across Cultures and Nations: A New Search for Greater Understanding of Tradition, Religious Symbols, Medicinal Plants, and the Tree of Life from Socio-folkloro-logical Points of View. Calcutta: Indian Publications, 1980.
MLA-viite (8. p.)Sen Gupta, Sankar. Sacred Trees Across Cultures and Nations: A New Search for Greater Understanding of Tradition, Religious Symbols, Medicinal Plants, and the Tree of Life from Socio-folkloro-logical Points of View. Indian Publications, 1980.