Donald Jay Grout, Hermine Weigel Williams. [1] — 2003. — С. 529. Архівовано з джерела 23 жовтня 2014
ozelacademy.com
Ozean Journal of Social Sciences 1(1), 2008 [Архівовано 2011-07-08 у Wayback Machine.]:«This is the first work in our opera language. Its scheme is beautiful and its music is perfect.Turkish language goes well with musical works. The composition is bodied in accordance with its lyrics. We fecilitate Güllü Agop, deviser of Ottoman Theatre and writers of lyrics and composition of the opera Alberto and Dikran Çuhacıyan for their efforts and the actors staging the play for their skill.»
web.archive.org
Donald Jay Grout, Hermine Weigel Williams. [1] — 2003. — С. 529. Архівовано з джерела 23 жовтня 2014
Ozean Journal of Social Sciences 1(1), 2008 [Архівовано 2011-07-08 у Wayback Machine.]:«This is the first work in our opera language. Its scheme is beautiful and its music is perfect.Turkish language goes well with musical works. The composition is bodied in accordance with its lyrics. We fecilitate Güllü Agop, deviser of Ottoman Theatre and writers of lyrics and composition of the opera Alberto and Dikran Çuhacıyan for their efforts and the actors staging the play for their skill.»
