Gyeltshen, K. (2018). "Population status and diet of sympatric hornbills in Jomotsangkha wildlife sanctuary(JWS), Bhutan''. Forest Information Division and Forest Research Institute.
Citazione stile Chigago Style (17a edizione)Gyeltshen, Karma. "Population Status and Diet of Sympatric Hornbills in Jomotsangkha Wildlife Sanctuary(JWS), Bhutan''. Dehradun: Forest Information Division and Forest Research Institute, 2018.
Citatione MLA (9a ed.)Gyeltshen, Karma. "Population Status and Diet of Sympatric Hornbills in Jomotsangkha Wildlife Sanctuary(JWS), Bhutan''. Forest Information Division and Forest Research Institute, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.