1973, Kathleen R. F. Burrill, The Quatrains of Nesimî, Fourteenth-century Turkic Hurufi，第 46 頁:
Generally he is accounted an Azeri Turkic rather than an Ottoman poet though frequently, like Kadi Biirhaneddin and Fuzuli, he is included in lists of Ottoman Turkish poets.
2006, Christiane Bulut, "Syntactic traces of Turkic-Iranian contiguity: An areal survey of language contact-induced shift in patterns of relativization", Turkic-Iranian contact areas: Historical and linguistic aspects (Turcologica62), page 187
Yet, classifying these varieties, which are spoken in the sphere of influence of the two major Oghuz languages, Azeri Turkic and Ottoman or Modern Standard Turkish, is difficult
