Não informado. (1950). Ceylon Coconut Quarterly. Coconut Research Institute.
Chicago-viite (17. p.)Não informado. Ceylon Coconut Quarterly. Lunuwila, Sri Lanka: Coconut Research Institute, 1950.
MLA-viite (8. p.)Não informado. Ceylon Coconut Quarterly. Coconut Research Institute, 1950.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.