Masson & Dubois 2000, str. 292: "...<<Macedonian Language>> de l'Oxford Classical Dictionary, 1996, p. 906: <<Macedonian may be seen as a Greek dialect, characterized by its marginal position and by local pronunciation (like Βερενίκα for Φερενίκα etc.)>>." Masson, Olivier; Dubois, Laurent (2000). Onomastica Graeca Selecta. Geneva, Switzerland: Librairie Droz. ISBN2-600-00435-1.
indogermanisch.org
Julius Pokorny: Indogermanisches Etymologisches Wörterbuch p.807 .Pokorny p.807