Chattopadhyay, B., & Sengupta, K. (1991). Byabaharik Udvidvidya: Economic Botany. West Bengal State Book Board.
Citazione stile Chigago Style (17a edizione)Chattopadhyay, Bishwanath, e Kajal Sengupta. Byabaharik Udvidvidya: Economic Botany. Kolkata: West Bengal State Book Board, 1991.
Citatione MLA (9a ed.)Chattopadhyay, Bishwanath, e Kajal Sengupta. Byabaharik Udvidvidya: Economic Botany. West Bengal State Book Board, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.