C.Radhakrishnan. (1993). Economics of pepper production in India. University of Kerala.
Chicago Style aipamenaC.Radhakrishnan. Economics of Pepper Production in India. Trivandrum: University of Kerala, 1993.
MLA aipamenaC.Radhakrishnan. Economics of Pepper Production in India. University of Kerala, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.