Boyce, P. C., & Wong, S. Y. (2008). 婆羅洲天南星科落檐族之研究VII:馬來西亞沙勞越二新屬-Schottarum屬與Bakoa屬. Botanical Studies, 49(4), 393-404. https://www.airitilibrary.com/Article/Detail?DocID=1817406X-200810-49-4-393-404-a
Huang, W. C. (2011). 巴貝多、牙買加、千里達及托巴哥黑人政治文化之研究 [master's thesis, Tamkang University]. Airiti Library. https://doi.org/10.6846/TKU.2011.00427