อ้างอิง ของ วงศ์ย่อยระย่อม

  1. Endress, Mary E. (Autumn, 2001). "The Renaissance of the Apocynaceae s.l.: Recent Advances in Systematics, Phylogeny, and Evolution [Introduction]". Annals of the Missouri Botanical Garden. Missouri Botanical Garden Press. 88 (4): 517–522. Unknown parameter |coauthors= ignored (|author= suggested) (help); Check date values in: |date= (help)
  2. Annals of the Missouri Botanical Garden 94(2):268-297. 2007 doi: http://dx.doi.org/10.3417/0026-6493(2007)94[268:PASOTR]2.0.CO;2 Phylogeny and systematics of the Rauvolfioideae (Apocynaceae) based on molecular and morphological evidence, André O. Simões, Tatyana Livshultz, Elena Conti, and Mary E. Endress