Bosi, E.J. “Mating Sumatran Rhinoceros at Sepilok Rhino Breeding Centre, Sandakan, Sabah, Malaysia”. Pachyderm 21, no. 1 (June 30, 1996): 24–27. Accessed July 3, 2024. https://pachydermjournal.org/index.php/pachyderm/article/view/838.