Kloss, C. Boden. “An ACCOUNT OF THE SUMATRAN BIRDS IN THE ZOOLOGICAL MUSEUM, BUITENZORG, WITH DESCRIPTIONS OF NINE NEW RACES”. Treubia 13, no. 3-4 (January 22, 2016): 299–370. Accessed December 6, 2025. https://ejournal.brin.go.id/treubia/article/view/9548.