Staley, S. W.; Norden, T. D.; Su, C.-F.; Rall, M.; Harmony, M. D. (). „Structure of 3-cyanocyclopropene by microwave spectroscopy and ab initio molecular orbital calculations. Evidence for substituent-ring double bond interactions”. J. Am. Chem. Soc. 109 (10): 2880–2884. doi:10.1021/ja00244a004.Mentenanță CS1: Utilizează parametrul autori (link)
Allen, F. H. (). „The geometry of small rings: Molecular geometry of cyclopropene and its derivatives”. Tetrahedron. 38 (5): 645–655. doi:10.1016/0040-4020(82)80206-8.