APA aipamena

Mullan Kottayi, S. B. Productivity behaviour in Kerala's agriculture.

Chicago Style aipamena

Mullan Kottayi, Suresh Babu. Productivity Behaviour in Kerala's Agriculture.

MLA aipamena

Mullan Kottayi, Suresh Babu. Productivity Behaviour in Kerala's Agriculture.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.