Hunter (1996) who notes that Macrobius says that Vergil followed Peisander in this formulation, but that Macrobius identification is incorrect (referring to the archaic Peisander) and that the text of Saturnalia 5.2.4 should be taken as evidence that Peisander followed Vergil's lead. Hunter, R.L. (1996), "Pisander (3)", in S. Hornblower; A. Spawforth (eds.), Oxford Classical Dictionary (3rd rev. ed.), Oxford, ISBN9780198661726{{citation}}: CS1 maint: location missing publisher (link).
jstor.org
Keydell (1935, pp. 307–8). Keydell, R. (1935), "R. Keydell, Die Dichter mit Namen Peisandros", Hermes, 70: 301–11, JSTOR4474419.