Cita APA (7a ed.)

Tea Research Institute of Sri Lanka & Tea Research Institute of Ceylon. The Tea quarterly.

Cita Chicago Style (17a ed.)

Tea Research Institute of Sri Lanka y Tea Research Institute of Ceylon. The Tea Quarterly. St. Coombs, Talawakele, Tea Research Institute of Sri Lanka.

Cita MLA (8a ed.)

Tea Research Institute of Sri Lanka y Tea Research Institute of Ceylon. The Tea Quarterly.