(1990). [Bogdanov, Aleksandr Aleksandrovič].
Cita Chicago (17th ed.)[Bogdanov, Aleksandr Aleksandrovič]. 1990.
Cita MLA (9th ed.)[Bogdanov, Aleksandr Aleksandrovič]. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.
(1990). [Bogdanov, Aleksandr Aleksandrovič].
Cita Chicago (17th ed.)[Bogdanov, Aleksandr Aleksandrovič]. 1990.
Cita MLA (9th ed.)[Bogdanov, Aleksandr Aleksandrovič]. 1990.