Maliheh S. Tyrrell, Chapter 1, in Aesopian Literary Dimensions of Azerbaijani Literature of the Soviet Period, 1920–1990, Lexington Books, 2001, p. 12, ISBN0-7391-0169-2.
Geoffrey Samuel, Gregor, Hamish e Stutchbury, Elisabeth, Chapter 1, in Tantra and Popular Religion in Tibet, International Academy of Indian Culture and Aditya Prakashan, 1994, p. 60, ISBN81-85689-68-7.
Maliheh S. Tyrrell, Chapter 2, in Aesopian Literary Dimensions of Azerbaijani Literature of the Soviet Period, 1920–1990, Lexington Books, 2001, p. 24, ISBN0-7391-0169-2.
Copia archiviata, su American Association of Teachers of Turkic Languages. URL consultato il 5 febbraio 2020 (archiviato dall'url originale l'8 marzo 2021).