Alexandrovskaya, L. (1965). Africa's economic problems. Moscow: Progress Publishers.
Chicago Style aipamenaAlexandrovskaya, L. Africa's Economic Problems. Moscow: Progress Publishers, 1965.
MLA aipamenaAlexandrovskaya, L. Africa's Economic Problems. Moscow: Progress Publishers, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.