Analysis of information sources in references of the Wikipedia article "Iuri Iakovlev" in Romanian language version.
|date= (ajutor)|date= (ajutor)|date= (ajutor)|date= (ajutor)|date= (ajutor)|date= (ajutor)|date= (ajutor)|date= (ajutor)|date= (ajutor)|date= (ajutor)|date= (ajutor)