- ↑ 1.0 1.1
"Gnetum costatum". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature. 2011. Ginkuhà 24 Oktubre 2012.
- ↑ K.M.Schumann & U.M.Hollrung (1889) , In: Fl. Kais. Wilh. Land : 13
- ↑ 3.0 3.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ WCSP: World Checklist of Selected Plant Families. Govaerts R. (ed). For a full list of reviewers see: http://apps.kew.org/wcsp/compilersReviewers.do, 3 Disyembre 2010