Nambiar, M. (1978). Outline of commercial geography/4e (4th ed.). Kamalalayam.
Chicago Style aipamenaNambiar, M.C.K. Outline of Commercial Geography/4e. 4th ed. Cannanore: Kamalalayam, 1978.
MLA aipamenaNambiar, M.C.K. Outline of Commercial Geography/4e. 4th ed. Kamalalayam, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.