Swaminathan, P. (1990). Guideliness of tea culture in south India. UPASI Krishi vigyan kendra.
Chicago Style aipamenaSwaminathan, P. Guideliness of Tea Culture in South India. Coonoor: UPASI Krishi vigyan kendra, 1990.
MLA aipamenaSwaminathan, P. Guideliness of Tea Culture in South India. UPASI Krishi vigyan kendra, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.