Varma, M. (1988). Foreign trade management in India. Vikas.
Chicago Style aipamenaVarma, M.L. Foreign Trade Management in India. New Delhi: Vikas, 1988.
MLA aipamenaVarma, M.L. Foreign Trade Management in India. Vikas, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.