SPID-info
MLA
Spid-info. Penza, Russia: Informatsionnoe molodezhnoe press-agenstvo, 1990.
APA
(1990).
SPID-info. Penza, Russia: Informatsionnoe molodezhnoe press-agenstvo.
Chicago
Spid-Info. Penza, Russia: Informatsionnoe molodezhnoe press-agenstvo,, 1990.